77563390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{1361}}^1$

素因数の和:1548

約数の個数: 32

約数和(自身を含む): 144154080

約数和(自身を除く): 66590690

約数列:

[1, 2, 5, 10, 41, 82, 139, 205, 278, 410, 695, 1361, 1390, 2722, 5699, 6805, 11398, 13610, 28495, 55801, 56990, 111602, 189179, 279005, 378358, 558010, 945895, 1891790, 7756339, 15512678, 38781695, 77563390]

約数ペア:

[(1, 77563390), (2, 38781695), (5, 15512678), (10, 7756339), (41, 1891790), (82, 945895), (139, 558010), (205, 378358), (278, 279005), (410, 189179), (695, 111602), (1361, 56990), (1390, 55801), (2722, 28495), (5699, 13610), (6805, 11398)]