7138525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 9348608

約数和(自身を除く): 2210083

約数列:

[1, 5, 25, 31, 61, 151, 155, 305, 755, 775, 1525, 1891, 3775, 4681, 9211, 9455, 23405, 46055, 47275, 117025, 230275, 285541, 1427705, 7138525]

約数ペア:

[(1, 7138525), (5, 1427705), (25, 285541), (31, 230275), (61, 117025), (151, 47275), (155, 46055), (305, 23405), (755, 9455), (775, 9211), (1525, 4681), (1891, 3775)]