225776257

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 279465984

約数和(自身を除く): 53689727

約数列:

[1, 7, 23, 37, 151, 161, 251, 259, 851, 1057, 1757, 3473, 5587, 5773, 5957, 9287, 24311, 37901, 39109, 40411, 65009, 128501, 213601, 265307, 871723, 899507, 1402337, 1495207, 6102061, 9816359, 32253751, 225776257]

約数ペア:

[(1, 225776257), (7, 32253751), (23, 9816359), (37, 6102061), (151, 1495207), (161, 1402337), (251, 899507), (259, 871723), (851, 265307), (1057, 213601), (1757, 128501), (3473, 65009), (5587, 40411), (5773, 39109), (5957, 37901), (9287, 24311)]