1216404425

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{13633}}^1$

素因数の和:13769

約数の個数: 24

約数和(自身を含む): 1562129184

約数和(自身を除く): 345724759

約数列:

[1, 5, 25, 43, 83, 215, 415, 1075, 2075, 3569, 13633, 17845, 68165, 89225, 340825, 586219, 1131539, 2931095, 5657695, 14655475, 28288475, 48656177, 243280885, 1216404425]

約数ペア:

[(1, 1216404425), (5, 243280885), (25, 48656177), (43, 28288475), (83, 14655475), (215, 5657695), (415, 2931095), (1075, 1131539), (2075, 586219), (3569, 340825), (13633, 89225), (17845, 68165)]