261313384

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{55457}}^1$

素因数の和:55513

約数の個数: 32

約数和(自身を含む): 532396800

約数和(自身を除く): 271083416

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4712, 55457, 110914, 221828, 443656, 1053683, 1719167, 2107366, 3438334, 4214732, 6876668, 8429464, 13753336, 32664173, 65328346, 130656692, 261313384]

約数ペア:

[(1, 261313384), (2, 130656692), (4, 65328346), (8, 32664173), (19, 13753336), (31, 8429464), (38, 6876668), (62, 4214732), (76, 3438334), (124, 2107366), (152, 1719167), (248, 1053683), (589, 443656), (1178, 221828), (2356, 110914), (4712, 55457)]