2891390816

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{80603}}^1$

素因数の和:80691

約数の個数: 48

約数和(自身を含む): 6093662400

約数和(自身を除く): 3202271584

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 76, 118, 152, 236, 304, 472, 608, 944, 1121, 1888, 2242, 4484, 8968, 17936, 35872, 80603, 161206, 322412, 644824, 1289648, 1531457, 2579296, 3062914, 4755577, 6125828, 9511154, 12251656, 19022308, 24503312, 38044616, 49006624, 76089232, 90355963, 152178464, 180711926, 361423852, 722847704, 1445695408, 2891390816]

約数ペア:

[(1, 2891390816), (2, 1445695408), (4, 722847704), (8, 361423852), (16, 180711926), (19, 152178464), (32, 90355963), (38, 76089232), (59, 49006624), (76, 38044616), (118, 24503312), (152, 19022308), (236, 12251656), (304, 9511154), (472, 6125828), (608, 4755577), (944, 3062914), (1121, 2579296), (1888, 1531457), (2242, 1289648), (4484, 644824), (8968, 322412), (17936, 161206), (35872, 80603)]