7219225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 9782360

約数和(自身を除く): 2563135

約数列:

[1, 5, 13, 25, 65, 97, 229, 325, 485, 1145, 1261, 2425, 2977, 5725, 6305, 14885, 22213, 31525, 74425, 111065, 288769, 555325, 1443845, 7219225]

約数ペア:

[(1, 7219225), (5, 1443845), (13, 555325), (25, 288769), (65, 111065), (97, 74425), (229, 31525), (325, 22213), (485, 14885), (1145, 6305), (1261, 5725), (2425, 2977)]