56666408

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 108108000

約数和(自身を除く): 51441592

約数列:

[1, 2, 4, 8, 131, 139, 262, 278, 389, 524, 556, 778, 1048, 1112, 1556, 3112, 18209, 36418, 50959, 54071, 72836, 101918, 108142, 145672, 203836, 216284, 407672, 432568, 7083301, 14166602, 28333204, 56666408]

約数ペア:

[(1, 56666408), (2, 28333204), (4, 14166602), (8, 7083301), (131, 432568), (139, 407672), (262, 216284), (278, 203836), (389, 145672), (524, 108142), (556, 101918), (778, 72836), (1048, 54071), (1112, 50959), (1556, 36418), (3112, 18209)]