201001945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 261692928

約数和(自身を除く): 60690983

約数列:

[1, 5, 23, 37, 97, 115, 185, 485, 487, 851, 2231, 2435, 3589, 4255, 11155, 11201, 17945, 18019, 47239, 56005, 82547, 90095, 236195, 412735, 414437, 1086497, 1747843, 2072185, 5432485, 8739215, 40200389, 201001945]

約数ペア:

[(1, 201001945), (5, 40200389), (23, 8739215), (37, 5432485), (97, 2072185), (115, 1747843), (185, 1086497), (485, 414437), (487, 412735), (851, 236195), (2231, 90095), (2435, 82547), (3589, 56005), (4255, 47239), (11155, 18019), (11201, 17945)]