2661464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 5441520

約数和(自身を除く): 2780056

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 163, 314, 326, 628, 652, 1256, 1304, 2041, 2119, 4082, 4238, 8164, 8476, 16328, 16952, 25591, 51182, 102364, 204728, 332683, 665366, 1330732, 2661464]

約数ペア:

[(1, 2661464), (2, 1330732), (4, 665366), (8, 332683), (13, 204728), (26, 102364), (52, 51182), (104, 25591), (157, 16952), (163, 16328), (314, 8476), (326, 8164), (628, 4238), (652, 4082), (1256, 2119), (1304, 2041)]