1212199912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1277}}^1$

素因数の和:1391

約数の個数: 128

約数和(自身を含む): 3003402240

約数和(自身を除く): 1791202328

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 67, 77, 88, 92, 134, 154, 161, 184, 253, 268, 308, 322, 469, 506, 536, 616, 644, 737, 938, 1012, 1277, 1288, 1474, 1541, 1771, 1876, 2024, 2554, 2948, 3082, 3542, 3752, 5108, 5159, 5896, 6164, 7084, 8939, 10216, 10318, 10787, 12328, 14047, 14168, 16951, 17878, 20636, 21574, 28094, 29371, 33902, 35756, 41272, 43148, 56188, 58742, 67804, 71512, 85559, 86296, 98329, 112376, 117484, 118657, 135608, 171118, 196658, 205597, 234968, 237314, 323081, 342236, 393316, 411194, 474628, 598913, 646162, 684472, 786632, 822388, 941149, 949256, 1197826, 1292324, 1644776, 1882298, 1967857, 2261567, 2395652, 2584648, 3764596, 3935714, 4523134, 4791304, 6588043, 7529192, 7871428, 9046268, 13176086, 13774999, 15742856, 18092536, 21646427, 26352172, 27549998, 43292854, 52704344, 55099996, 86585708, 110199992, 151524989, 173171416, 303049978, 606099956, 1212199912]

約数ペア:

[(1, 1212199912), (2, 606099956), (4, 303049978), (7, 173171416), (8, 151524989), (11, 110199992), (14, 86585708), (22, 55099996), (23, 52704344), (28, 43292854), (44, 27549998), (46, 26352172), (56, 21646427), (67, 18092536), (77, 15742856), (88, 13774999), (92, 13176086), (134, 9046268), (154, 7871428), (161, 7529192), (184, 6588043), (253, 4791304), (268, 4523134), (308, 3935714), (322, 3764596), (469, 2584648), (506, 2395652), (536, 2261567), (616, 1967857), (644, 1882298), (737, 1644776), (938, 1292324), (1012, 1197826), (1277, 949256), (1288, 941149), (1474, 822388), (1541, 786632), (1771, 684472), (1876, 646162), (2024, 598913), (2554, 474628), (2948, 411194), (3082, 393316), (3542, 342236), (3752, 323081), (5108, 237314), (5159, 234968), (5896, 205597), (6164, 196658), (7084, 171118), (8939, 135608), (10216, 118657), (10318, 117484), (10787, 112376), (12328, 98329), (14047, 86296), (14168, 85559), (16951, 71512), (17878, 67804), (20636, 58742), (21574, 56188), (28094, 43148), (29371, 41272), (33902, 35756)]