2780410646

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{599}}^1$

素因数の和:1101

約数の個数: 48

約数和(自身を含む): 4680115200

約数和(自身を除く): 1899704554

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 443, 599, 806, 886, 1198, 5239, 5759, 7787, 10478, 11518, 13733, 15574, 18569, 27466, 37138, 74867, 101231, 149734, 178529, 202462, 241397, 265357, 357058, 482794, 530714, 2320877, 3138161, 3449641, 4641754, 6276322, 6899282, 8226067, 16452134, 44845333, 89690666, 106938871, 213877742, 1390205323, 2780410646]

約数ペア:

[(1, 2780410646), (2, 1390205323), (13, 213877742), (26, 106938871), (31, 89690666), (62, 44845333), (169, 16452134), (338, 8226067), (403, 6899282), (443, 6276322), (599, 4641754), (806, 3449641), (886, 3138161), (1198, 2320877), (5239, 530714), (5759, 482794), (7787, 357058), (10478, 265357), (11518, 241397), (13733, 202462), (15574, 178529), (18569, 149734), (27466, 101231), (37138, 74867)]