261841632

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{209809}}^1$

素因数の和:209835

約数の個数: 48

約数和(自身を含む): 740209680

約数和(自身を除く): 478368048

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 209809, 419618, 629427, 839236, 1258854, 1678472, 2517708, 2727517, 3356944, 5035416, 5455034, 6713888, 8182551, 10070832, 10910068, 16365102, 20141664, 21820136, 32730204, 43640272, 65460408, 87280544, 130920816, 261841632]

約数ペア:

[(1, 261841632), (2, 130920816), (3, 87280544), (4, 65460408), (6, 43640272), (8, 32730204), (12, 21820136), (13, 20141664), (16, 16365102), (24, 10910068), (26, 10070832), (32, 8182551), (39, 6713888), (48, 5455034), (52, 5035416), (78, 3356944), (96, 2727517), (104, 2517708), (156, 1678472), (208, 1258854), (312, 839236), (416, 629427), (624, 419618), (1248, 209809)]