1972853675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{55691}}^1$

素因数の和:55823

約数の個数: 24

約数和(自身を含む): 2658736080

約数和(自身を除く): 685882405

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1417, 2725, 7085, 35425, 55691, 278455, 723983, 1392275, 3619915, 6070319, 18099575, 30351595, 78914147, 151757975, 394570735, 1972853675]

約数ペア:

[(1, 1972853675), (5, 394570735), (13, 151757975), (25, 78914147), (65, 30351595), (109, 18099575), (325, 6070319), (545, 3619915), (1417, 1392275), (2725, 723983), (7085, 278455), (35425, 55691)]