388161788

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{7331}}^1$

素因数の和:7434

約数の個数: 48

約数和(自身を含む): 814614528

約数和(自身を除く): 426452740

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 427, 434, 854, 868, 1708, 1891, 3782, 7331, 7564, 13237, 14662, 26474, 29324, 51317, 52948, 102634, 205268, 227261, 447191, 454522, 894382, 909044, 1590827, 1788764, 3130337, 3181654, 6260674, 6363308, 12521348, 13862921, 27725842, 55451684, 97040447, 194080894, 388161788]

約数ペア:

[(1, 388161788), (2, 194080894), (4, 97040447), (7, 55451684), (14, 27725842), (28, 13862921), (31, 12521348), (61, 6363308), (62, 6260674), (122, 3181654), (124, 3130337), (217, 1788764), (244, 1590827), (427, 909044), (434, 894382), (854, 454522), (868, 447191), (1708, 227261), (1891, 205268), (3782, 102634), (7331, 52948), (7564, 51317), (13237, 29324), (14662, 26474)]