1998919565566

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{397}}^1\times {\mathrm{1493}}^1$

素因数の和:2330

約数の個数: 128

約数和(自身を含む): 3822261073920

約数和(自身を除く): 1823341508354

約数列:

[1, 2, 7, 11, 14, 22, 61, 77, 122, 154, 359, 397, 427, 671, 718, 794, 854, 1342, 1493, 2513, 2779, 2986, 3949, 4367, 4697, 5026, 5558, 7898, 8734, 9394, 10451, 16423, 20902, 21899, 24217, 27643, 30569, 32846, 43798, 48434, 55286, 61138, 91073, 114961, 142523, 153293, 169519, 182146, 229922, 240889, 266387, 285046, 306586, 339038, 481778, 532774, 535987, 592721, 637511, 997661, 1001803, 1071974, 1185442, 1275022, 1567753, 1686223, 1864709, 1995322, 2003606, 3135506, 3372446, 3729418, 3751909, 4149047, 5895857, 6519931, 7012621, 7503818, 8298094, 8693903, 10974271, 11791714, 13039862, 14025242, 17387806, 21948542, 32695207, 36155981, 41270999, 45639517, 60857321, 65390414, 72311962, 82541998, 91279034, 95632933, 121714642, 191265866, 212786839, 228866449, 253091867, 359647277, 397715791, 425573678, 457732898, 506183734, 669430531, 719294554, 795431582, 1338861062, 1489507873, 2340655229, 2517530939, 2784010537, 2979015746, 4681310458, 5035061878, 5568021074, 12979997179, 16384586603, 25959994358, 32769173206, 90859980253, 142779968969, 181719960506, 285559937938, 999459782783, 1998919565566]

約数ペア:

[(1, 1998919565566), (2, 999459782783), (7, 285559937938), (11, 181719960506), (14, 142779968969), (22, 90859980253), (61, 32769173206), (77, 25959994358), (122, 16384586603), (154, 12979997179), (359, 5568021074), (397, 5035061878), (427, 4681310458), (671, 2979015746), (718, 2784010537), (794, 2517530939), (854, 2340655229), (1342, 1489507873), (1493, 1338861062), (2513, 795431582), (2779, 719294554), (2986, 669430531), (3949, 506183734), (4367, 457732898), (4697, 425573678), (5026, 397715791), (5558, 359647277), (7898, 253091867), (8734, 228866449), (9394, 212786839), (10451, 191265866), (16423, 121714642), (20902, 95632933), (21899, 91279034), (24217, 82541998), (27643, 72311962), (30569, 65390414), (32846, 60857321), (43798, 45639517), (48434, 41270999), (55286, 36155981), (61138, 32695207), (91073, 21948542), (114961, 17387806), (142523, 14025242), (153293, 13039862), (169519, 11791714), (182146, 10974271), (229922, 8693903), (240889, 8298094), (266387, 7503818), (285046, 7012621), (306586, 6519931), (339038, 5895857), (481778, 4149047), (532774, 3751909), (535987, 3729418), (592721, 3372446), (637511, 3135506), (997661, 2003606), (1001803, 1995322), (1071974, 1864709), (1185442, 1686223), (1275022, 1567753)]