215501288

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{3371}}^1$

素因数の和:3569

約数の個数: 32

約数和(自身を含む): 413946720

約数和(自身を除く): 198445432

約数列:

[1, 2, 4, 8, 61, 122, 131, 244, 262, 488, 524, 1048, 3371, 6742, 7991, 13484, 15982, 26968, 31964, 63928, 205631, 411262, 441601, 822524, 883202, 1645048, 1766404, 3532808, 26937661, 53875322, 107750644, 215501288]

約数ペア:

[(1, 215501288), (2, 107750644), (4, 53875322), (8, 26937661), (61, 3532808), (122, 1766404), (131, 1645048), (244, 883202), (262, 822524), (488, 441601), (524, 411262), (1048, 205631), (3371, 63928), (6742, 31964), (7991, 26968), (13484, 15982)]