256811068692

素因数分解:

$2^2\times 3^2\times {\mathrm{9901}}^1\times {\mathrm{720497}}^1$

素因数の和:730408

約数の個数: 36

約数和(自身を含む): 649227778836

約数和(自身を除く): 392416710144

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 9901, 19802, 29703, 39604, 59406, 89109, 118812, 178218, 356436, 720497, 1440994, 2161491, 2881988, 4322982, 6484473, 8645964, 12968946, 25937892, 7133640797, 14267281594, 21400922391, 28534563188, 42801844782, 64202767173, 85603689564, 128405534346, 256811068692]

約数ペア:

[(1, 256811068692), (2, 128405534346), (3, 85603689564), (4, 64202767173), (6, 42801844782), (9, 28534563188), (12, 21400922391), (18, 14267281594), (36, 7133640797), (9901, 25937892), (19802, 12968946), (29703, 8645964), (39604, 6484473), (59406, 4322982), (89109, 2881988), (118812, 2161491), (178218, 1440994), (356436, 720497)]