123911788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4421}}^1$

素因数の和:4463

約数の個数: 72

約数和(自身を含む): 296415504

約数和(自身を除く): 172503716

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 1001, 1078, 1274, 2002, 2156, 2548, 4004, 4421, 7007, 8842, 14014, 17684, 28028, 30947, 48631, 57473, 61894, 97262, 114946, 123788, 194524, 216629, 229892, 340417, 402311, 433258, 632203, 680834, 804622, 866516, 1264406, 1361668, 1609244, 2382919, 2528812, 2816177, 4425421, 4765838, 5632354, 8850842, 9531676, 11264708, 17701684, 30977947, 61955894, 123911788]

約数ペア:

[(1, 123911788), (2, 61955894), (4, 30977947), (7, 17701684), (11, 11264708), (13, 9531676), (14, 8850842), (22, 5632354), (26, 4765838), (28, 4425421), (44, 2816177), (49, 2528812), (52, 2382919), (77, 1609244), (91, 1361668), (98, 1264406), (143, 866516), (154, 804622), (182, 680834), (196, 632203), (286, 433258), (308, 402311), (364, 340417), (539, 229892), (572, 216629), (637, 194524), (1001, 123788), (1078, 114946), (1274, 97262), (2002, 61894), (2156, 57473), (2548, 48631), (4004, 30947), (4421, 28028), (7007, 17684), (8842, 14014)]