213872906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 379330560

約数和(自身を除く): 165457654

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 83, 139, 166, 278, 299, 403, 598, 713, 806, 1079, 1426, 1807, 1909, 2158, 2573, 3197, 3614, 3818, 4309, 5146, 6394, 8618, 9269, 11537, 18538, 23074, 24817, 33449, 41561, 49634, 56017, 59179, 66898, 83122, 99107, 112034, 118358, 149981, 198214, 265351, 299962, 357647, 530702, 715294, 769327, 1288391, 1538654, 2576782, 3449563, 4649411, 6899126, 8225881, 9298822, 16451762, 106936453, 213872906]

約数ペア:

[(1, 213872906), (2, 106936453), (13, 16451762), (23, 9298822), (26, 8225881), (31, 6899126), (46, 4649411), (62, 3449563), (83, 2576782), (139, 1538654), (166, 1288391), (278, 769327), (299, 715294), (403, 530702), (598, 357647), (713, 299962), (806, 265351), (1079, 198214), (1426, 149981), (1807, 118358), (1909, 112034), (2158, 99107), (2573, 83122), (3197, 66898), (3614, 59179), (3818, 56017), (4309, 49634), (5146, 41561), (6394, 33449), (8618, 24817), (9269, 23074), (11537, 18538)]