15661769872

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{890683}}^1$

素因数の和:890855

約数の個数: 40

約数和(自身を含む): 34900561856

約数和(自身を除く): 19238791984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1256, 2198, 2512, 4396, 8792, 17584, 890683, 1781366, 3562732, 6234781, 7125464, 12469562, 14250928, 24939124, 49878248, 99756496, 139837231, 279674462, 559348924, 978860617, 1118697848, 1957721234, 2237395696, 3915442468, 7830884936, 15661769872]

約数ペア:

[(1, 15661769872), (2, 7830884936), (4, 3915442468), (7, 2237395696), (8, 1957721234), (14, 1118697848), (16, 978860617), (28, 559348924), (56, 279674462), (112, 139837231), (157, 99756496), (314, 49878248), (628, 24939124), (1099, 14250928), (1256, 12469562), (2198, 7125464), (2512, 6234781), (4396, 3562732), (8792, 1781366), (17584, 890683)]