12871312

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:703

約数の個数: 40

約数和(自身を含む): 26784000

約数和(自身を除く): 13912688

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 79, 136, 158, 272, 316, 599, 632, 1198, 1264, 1343, 2396, 2686, 4792, 5372, 9584, 10183, 10744, 20366, 21488, 40732, 47321, 81464, 94642, 162928, 189284, 378568, 757136, 804457, 1608914, 3217828, 6435656, 12871312]

約数ペア:

[(1, 12871312), (2, 6435656), (4, 3217828), (8, 1608914), (16, 804457), (17, 757136), (34, 378568), (68, 189284), (79, 162928), (136, 94642), (158, 81464), (272, 47321), (316, 40732), (599, 21488), (632, 20366), (1198, 10744), (1264, 10183), (1343, 9584), (2396, 5372), (2686, 4792)]