123391996

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{613}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 274384320

約数和(自身を除く): 150992324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 79, 91, 98, 158, 182, 196, 316, 364, 553, 613, 637, 1027, 1106, 1226, 1274, 2054, 2212, 2452, 2548, 3871, 4108, 4291, 7189, 7742, 7969, 8582, 14378, 15484, 15938, 17164, 28756, 30037, 31876, 48427, 50323, 55783, 60074, 96854, 100646, 111566, 120148, 193708, 201292, 223132, 338989, 390481, 629551, 677978, 780962, 1259102, 1355956, 1561924, 2372923, 2518204, 4406857, 4745846, 8813714, 9491692, 17627428, 30847999, 61695998, 123391996]

約数ペア:

[(1, 123391996), (2, 61695998), (4, 30847999), (7, 17627428), (13, 9491692), (14, 8813714), (26, 4745846), (28, 4406857), (49, 2518204), (52, 2372923), (79, 1561924), (91, 1355956), (98, 1259102), (158, 780962), (182, 677978), (196, 629551), (316, 390481), (364, 338989), (553, 223132), (613, 201292), (637, 193708), (1027, 120148), (1106, 111566), (1226, 100646), (1274, 96854), (2054, 60074), (2212, 55783), (2452, 50323), (2548, 48427), (3871, 31876), (4108, 30037), (4291, 28756), (7189, 17164), (7742, 15938), (7969, 15484), (8582, 14378)]