291235399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1291}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 373915136

約数和(自身を除く): 82679737

約数列:

[1, 7, 13, 37, 67, 91, 259, 469, 481, 871, 1291, 2479, 3367, 6097, 9037, 16783, 17353, 32227, 47767, 86497, 117481, 225589, 334369, 605479, 620971, 1124461, 3200389, 4346797, 7871227, 22402723, 41605057, 291235399]

約数ペア:

[(1, 291235399), (7, 41605057), (13, 22402723), (37, 7871227), (67, 4346797), (91, 3200389), (259, 1124461), (469, 620971), (481, 605479), (871, 334369), (1291, 225589), (2479, 117481), (3367, 86497), (6097, 47767), (9037, 32227), (16783, 17353)]