285289420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1097267}}^1$

素因数の和:1097289

約数の個数: 24

約数和(自身を含む): 645193584

約数和(自身を除く): 359904164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1097267, 2194534, 4389068, 5486335, 10972670, 14264471, 21945340, 28528942, 57057884, 71322355, 142644710, 285289420]

約数ペア:

[(1, 285289420), (2, 142644710), (4, 71322355), (5, 57057884), (10, 28528942), (13, 21945340), (20, 14264471), (26, 10972670), (52, 5486335), (65, 4389068), (130, 2194534), (260, 1097267)]