12220688

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 25310880

約数和(自身を除く): 13090192

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 179, 251, 272, 358, 502, 716, 1004, 1432, 2008, 2864, 3043, 4016, 4267, 6086, 8534, 12172, 17068, 24344, 34136, 44929, 48688, 68272, 89858, 179716, 359432, 718864, 763793, 1527586, 3055172, 6110344, 12220688]

約数ペア:

[(1, 12220688), (2, 6110344), (4, 3055172), (8, 1527586), (16, 763793), (17, 718864), (34, 359432), (68, 179716), (136, 89858), (179, 68272), (251, 48688), (272, 44929), (358, 34136), (502, 24344), (716, 17068), (1004, 12172), (1432, 8534), (2008, 6086), (2864, 4267), (3043, 4016)]