40691209

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 47040392

約数和(自身を除く): 6349183

約数列:

[1, 13, 23, 61, 97, 299, 529, 793, 1261, 1403, 2231, 5917, 6877, 18239, 29003, 32269, 51313, 76921, 136091, 419497, 667069, 1769183, 3130093, 40691209]

約数ペア:

[(1, 40691209), (13, 3130093), (23, 1769183), (61, 667069), (97, 419497), (299, 136091), (529, 76921), (793, 51313), (1261, 32269), (1403, 29003), (2231, 18239), (5917, 6877)]