261796612

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3977

約数の個数: 72

約数和(自身を含む): 600300288

約数和(自身を除く): 338503676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 49, 62, 77, 98, 124, 154, 196, 217, 308, 341, 434, 539, 682, 868, 1078, 1364, 1519, 2156, 2387, 3038, 3917, 4774, 6076, 7834, 9548, 15668, 16709, 27419, 33418, 43087, 54838, 66836, 86174, 109676, 121427, 172348, 191933, 242854, 301609, 383866, 485708, 603218, 767732, 849989, 1206436, 1335697, 1699978, 2111263, 2671394, 3399956, 4222526, 5342788, 5949923, 8445052, 9349879, 11899846, 18699758, 23799692, 37399516, 65449153, 130898306, 261796612]

約数ペア:

[(1, 261796612), (2, 130898306), (4, 65449153), (7, 37399516), (11, 23799692), (14, 18699758), (22, 11899846), (28, 9349879), (31, 8445052), (44, 5949923), (49, 5342788), (62, 4222526), (77, 3399956), (98, 2671394), (124, 2111263), (154, 1699978), (196, 1335697), (217, 1206436), (308, 849989), (341, 767732), (434, 603218), (539, 485708), (682, 383866), (868, 301609), (1078, 242854), (1364, 191933), (1519, 172348), (2156, 121427), (2387, 109676), (3038, 86174), (3917, 66836), (4774, 54838), (6076, 43087), (7834, 33418), (9548, 27419), (15668, 16709)]