137780456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{25667}}^1$

素因数の和:25745

約数の個数: 32

約数和(自身を含む): 286454880

約数和(自身を除く): 148674424

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 5368, 25667, 51334, 102668, 205336, 282337, 564674, 1129348, 1565687, 2258696, 3131374, 6262748, 12525496, 17222557, 34445114, 68890228, 137780456]

約数ペア:

[(1, 137780456), (2, 68890228), (4, 34445114), (8, 17222557), (11, 12525496), (22, 6262748), (44, 3131374), (61, 2258696), (88, 1565687), (122, 1129348), (244, 564674), (488, 282337), (671, 205336), (1342, 102668), (2684, 51334), (5368, 25667)]