42970525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1213}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 57956360

約数和(自身を除く): 14985835

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1213, 1417, 2725, 6065, 7085, 15769, 30325, 35425, 78845, 132217, 394225, 661085, 1718821, 3305425, 8594105, 42970525]

約数ペア:

[(1, 42970525), (5, 8594105), (13, 3305425), (25, 1718821), (65, 661085), (109, 394225), (325, 132217), (545, 78845), (1213, 35425), (1417, 30325), (2725, 15769), (6065, 7085)]