256165741

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 304819200

約数和(自身を除く): 48653459

約数列:

[1, 13, 17, 31, 139, 221, 269, 403, 527, 1807, 2363, 3497, 4309, 4573, 6851, 8339, 30719, 37391, 56017, 59449, 73253, 108407, 141763, 486083, 635647, 952289, 1159121, 1842919, 8263411, 15068573, 19705057, 256165741]

約数ペア:

[(1, 256165741), (13, 19705057), (17, 15068573), (31, 8263411), (139, 1842919), (221, 1159121), (269, 952289), (403, 635647), (527, 486083), (1807, 141763), (2363, 108407), (3497, 73253), (4309, 59449), (4573, 56017), (6851, 37391), (8339, 30719)]