256622626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{1439}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 437875200

約数和(自身を除く): 181252574

約数列:

[1, 2, 13, 19, 26, 38, 247, 361, 494, 722, 1439, 2878, 4693, 6859, 9386, 13718, 18707, 27341, 37414, 54682, 89167, 178334, 355433, 519479, 710866, 1038958, 6753227, 9870101, 13506454, 19740202, 128311313, 256622626]

約数ペア:

[(1, 256622626), (2, 128311313), (13, 19740202), (19, 13506454), (26, 9870101), (38, 6753227), (247, 1038958), (361, 710866), (494, 519479), (722, 355433), (1439, 178334), (2878, 89167), (4693, 54682), (6859, 37414), (9386, 27341), (13718, 18707)]