1390064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 2989392

約数和(自身を除く): 1599328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 163, 164, 208, 326, 328, 533, 652, 656, 1066, 1304, 2119, 2132, 2608, 4238, 4264, 6683, 8476, 8528, 13366, 16952, 26732, 33904, 53464, 86879, 106928, 173758, 347516, 695032, 1390064]

約数ペア:

[(1, 1390064), (2, 695032), (4, 347516), (8, 173758), (13, 106928), (16, 86879), (26, 53464), (41, 33904), (52, 26732), (82, 16952), (104, 13366), (163, 8528), (164, 8476), (208, 6683), (326, 4264), (328, 4238), (533, 2608), (652, 2132), (656, 2119), (1066, 1304)]