81888366

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1153}}^1$

素因数の和:1273

約数の個数: 64

約数和(自身を含む): 199411200

約数和(自身を除く): 117522834

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 89, 114, 133, 178, 266, 267, 399, 534, 623, 798, 1153, 1246, 1691, 1869, 2306, 3382, 3459, 3738, 5073, 6918, 8071, 10146, 11837, 16142, 21907, 23674, 24213, 35511, 43814, 48426, 65721, 71022, 102617, 131442, 153349, 205234, 306698, 307851, 460047, 615702, 718319, 920094, 1436638, 1949723, 2154957, 3899446, 4309914, 5849169, 11698338, 13648061, 27296122, 40944183, 81888366]

約数ペア:

[(1, 81888366), (2, 40944183), (3, 27296122), (6, 13648061), (7, 11698338), (14, 5849169), (19, 4309914), (21, 3899446), (38, 2154957), (42, 1949723), (57, 1436638), (89, 920094), (114, 718319), (133, 615702), (178, 460047), (266, 307851), (267, 306698), (399, 205234), (534, 153349), (623, 131442), (798, 102617), (1153, 71022), (1246, 65721), (1691, 48426), (1869, 43814), (2306, 35511), (3382, 24213), (3459, 23674), (3738, 21907), (5073, 16142), (6918, 11837), (8071, 10146)]