421859425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{1031}}^1\times {\mathrm{1259}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 564338880

約数和(自身を除く): 142479455

約数列:

[1, 5, 13, 25, 65, 325, 1031, 1259, 5155, 6295, 13403, 16367, 25775, 31475, 67015, 81835, 335075, 409175, 1298029, 6490145, 16874377, 32450725, 84371885, 421859425]

約数ペア:

[(1, 421859425), (5, 84371885), (13, 32450725), (25, 16874377), (65, 6490145), (325, 1298029), (1031, 409175), (1259, 335075), (5155, 81835), (6295, 67015), (13403, 31475), (16367, 25775)]