261039454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{1049}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 447703200

約数和(自身を除く): 186663746

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 563, 1049, 1126, 2098, 7319, 9571, 13637, 14638, 17833, 19142, 27274, 35666, 124423, 231829, 248846, 463658, 590587, 1181174, 7677631, 10039979, 15355262, 20079958, 130519727, 261039454]

約数ペア:

[(1, 261039454), (2, 130519727), (13, 20079958), (17, 15355262), (26, 10039979), (34, 7677631), (221, 1181174), (442, 590587), (563, 463658), (1049, 248846), (1126, 231829), (2098, 124423), (7319, 35666), (9571, 27274), (13637, 19142), (14638, 17833)]