491194210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{164279}}^1$

素因数の和:164322

約数の個数: 32

約数和(自身を含む): 993565440

約数和(自身を除く): 502371230

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 164279, 328558, 821395, 1642790, 2135627, 3778417, 4271254, 7556834, 10678135, 18892085, 21356270, 37784170, 49119421, 98238842, 245597105, 491194210]

約数ペア:

[(1, 491194210), (2, 245597105), (5, 98238842), (10, 49119421), (13, 37784170), (23, 21356270), (26, 18892085), (46, 10678135), (65, 7556834), (115, 4271254), (130, 3778417), (230, 2135627), (299, 1642790), (598, 821395), (1495, 328558), (2990, 164279)]