258715672304

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{39534791}}^1$

素因数の和:39535208

約数の個数: 20

約数和(自身を含む): 502487206320

約数和(自身を除く): 243771534016

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 39534791, 79069582, 158139164, 316278328, 632556656, 16169729519, 32339459038, 64678918076, 129357836152, 258715672304]

約数ペア:

[(1, 258715672304), (2, 129357836152), (4, 64678918076), (8, 32339459038), (16, 16169729519), (409, 632556656), (818, 316278328), (1636, 158139164), (3272, 79069582), (6544, 39534791)]