2013065728

素因数分解:

$2^9\times {\mathrm{821}}^1\times {\mathrm{4789}}^1$

素因数の和:5628

約数の個数: 40

約数和(自身を含む): 4027939740

約数和(自身を除く): 2014874012

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 821, 1642, 3284, 4789, 6568, 9578, 13136, 19156, 26272, 38312, 52544, 76624, 105088, 153248, 210176, 306496, 420352, 612992, 1225984, 2451968, 3931769, 7863538, 15727076, 31454152, 62908304, 125816608, 251633216, 503266432, 1006532864, 2013065728]

約数ペア:

[(1, 2013065728), (2, 1006532864), (4, 503266432), (8, 251633216), (16, 125816608), (32, 62908304), (64, 31454152), (128, 15727076), (256, 7863538), (512, 3931769), (821, 2451968), (1642, 1225984), (3284, 612992), (4789, 420352), (6568, 306496), (9578, 210176), (13136, 153248), (19156, 105088), (26272, 76624), (38312, 52544)]