257905202

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{503}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 415134720

約数和(自身を除く): 157229518

約数列:

[1, 2, 19, 38, 103, 131, 206, 262, 503, 1006, 1957, 2489, 3914, 4978, 9557, 13493, 19114, 26986, 51809, 65893, 103618, 131786, 256367, 512734, 984371, 1251967, 1968742, 2503934, 6786979, 13573958, 128952601, 257905202]

約数ペア:

[(1, 257905202), (2, 128952601), (19, 13573958), (38, 6786979), (103, 2503934), (131, 1968742), (206, 1251967), (262, 984371), (503, 512734), (1006, 256367), (1957, 131786), (2489, 103618), (3914, 65893), (4978, 51809), (9557, 26986), (13493, 19114)]