81137028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10853}}^1$

素因数の和:10956

約数の個数: 48

約数和(自身を含む): 218816640

約数和(自身を除く): 137679612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 3738, 7476, 10853, 21706, 32559, 43412, 65118, 75971, 130236, 151942, 227913, 303884, 455826, 911652, 965917, 1931834, 2897751, 3863668, 5795502, 6761419, 11591004, 13522838, 20284257, 27045676, 40568514, 81137028]

約数ペア:

[(1, 81137028), (2, 40568514), (3, 27045676), (4, 20284257), (6, 13522838), (7, 11591004), (12, 6761419), (14, 5795502), (21, 3863668), (28, 2897751), (42, 1931834), (84, 965917), (89, 911652), (178, 455826), (267, 303884), (356, 227913), (534, 151942), (623, 130236), (1068, 75971), (1246, 65118), (1869, 43412), (2492, 32559), (3738, 21706), (7476, 10853)]