28168790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9421}}^1$

素因数の和:9464

約数の個数: 32

約数和(自身を含む): 56984256

約数和(自身を除く): 28815466

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 9421, 18842, 47105, 94210, 122473, 216683, 244946, 433366, 612365, 1083415, 1224730, 2166830, 2816879, 5633758, 14084395, 28168790]

約数ペア:

[(1, 28168790), (2, 14084395), (5, 5633758), (10, 2816879), (13, 2166830), (23, 1224730), (26, 1083415), (46, 612365), (65, 433366), (115, 244946), (130, 216683), (230, 122473), (299, 94210), (598, 47105), (1495, 18842), (2990, 9421)]