1997457432

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{431}}^1$

素因数の和:801

約数の個数: 128

約数和(自身を含む): 5460618240

約数和(自身を除く): 3463160808

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 37, 51, 68, 74, 102, 111, 136, 148, 204, 222, 296, 307, 408, 431, 444, 614, 629, 862, 888, 921, 1228, 1258, 1293, 1724, 1842, 1887, 2456, 2516, 2586, 3448, 3684, 3774, 5032, 5172, 5219, 7327, 7368, 7548, 10344, 10438, 11359, 14654, 15096, 15657, 15947, 20876, 21981, 22718, 29308, 31314, 31894, 34077, 41752, 43962, 45436, 47841, 58616, 62628, 63788, 68154, 87924, 90872, 95682, 125256, 127576, 132317, 136308, 175848, 191364, 193103, 264634, 271099, 272616, 382728, 386206, 396951, 529268, 542198, 579309, 772412, 793902, 813297, 1058536, 1084396, 1158618, 1544824, 1587804, 1626594, 2168792, 2249389, 2317236, 3175608, 3253188, 4498778, 4634472, 4895729, 6506376, 6748167, 8997556, 9791458, 13496334, 14687187, 17995112, 19582916, 26992668, 29374374, 39165832, 53985336, 58748748, 83227393, 117497496, 166454786, 249682179, 332909572, 499364358, 665819144, 998728716, 1997457432]

約数ペア:

[(1, 1997457432), (2, 998728716), (3, 665819144), (4, 499364358), (6, 332909572), (8, 249682179), (12, 166454786), (17, 117497496), (24, 83227393), (34, 58748748), (37, 53985336), (51, 39165832), (68, 29374374), (74, 26992668), (102, 19582916), (111, 17995112), (136, 14687187), (148, 13496334), (204, 9791458), (222, 8997556), (296, 6748167), (307, 6506376), (408, 4895729), (431, 4634472), (444, 4498778), (614, 3253188), (629, 3175608), (862, 2317236), (888, 2249389), (921, 2168792), (1228, 1626594), (1258, 1587804), (1293, 1544824), (1724, 1158618), (1842, 1084396), (1887, 1058536), (2456, 813297), (2516, 793902), (2586, 772412), (3448, 579309), (3684, 542198), (3774, 529268), (5032, 396951), (5172, 386206), (5219, 382728), (7327, 272616), (7368, 271099), (7548, 264634), (10344, 193103), (10438, 191364), (11359, 175848), (14654, 136308), (15096, 132317), (15657, 127576), (15947, 125256), (20876, 95682), (21981, 90872), (22718, 87924), (29308, 68154), (31314, 63788), (31894, 62628), (34077, 58616), (41752, 47841), (43962, 45436)]