81404652

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{2557}}^1$

素因数の和:2950

約数の個数: 48

約数和(自身を含む): 217736960

約数和(自身を除く): 136332308

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 379, 758, 1137, 1516, 2274, 2557, 2653, 4548, 5114, 5306, 7671, 7959, 10228, 10612, 15342, 15918, 17899, 30684, 31836, 35798, 53697, 71596, 107394, 214788, 969103, 1938206, 2907309, 3876412, 5814618, 6783721, 11629236, 13567442, 20351163, 27134884, 40702326, 81404652]

約数ペア:

[(1, 81404652), (2, 40702326), (3, 27134884), (4, 20351163), (6, 13567442), (7, 11629236), (12, 6783721), (14, 5814618), (21, 3876412), (28, 2907309), (42, 1938206), (84, 969103), (379, 214788), (758, 107394), (1137, 71596), (1516, 53697), (2274, 35798), (2557, 31836), (2653, 30684), (4548, 17899), (5114, 15918), (5306, 15342), (7671, 10612), (7959, 10228)]