89734775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 36

約数和(自身を含む): 122672952

約数和(自身を除く): 32938177

約数列:

[1, 5, 13, 25, 65, 67, 169, 317, 325, 335, 845, 871, 1585, 1675, 4121, 4225, 4355, 7925, 11323, 20605, 21239, 21775, 53573, 56615, 103025, 106195, 267865, 276107, 283075, 530975, 1339325, 1380535, 3589391, 6902675, 17946955, 89734775]

約数ペア:

[(1, 89734775), (5, 17946955), (13, 6902675), (25, 3589391), (65, 1380535), (67, 1339325), (169, 530975), (317, 283075), (325, 276107), (335, 267865), (845, 106195), (871, 103025), (1585, 56615), (1675, 53573), (4121, 21775), (4225, 21239), (4355, 20605), (7925, 11323)]