31017860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91229}}^1$

素因数の和:91255

約数の個数: 24

約数和(自身を含む): 68969880

約数和(自身を除く): 37952020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91229, 182458, 364916, 456145, 912290, 1550893, 1824580, 3101786, 6203572, 7754465, 15508930, 31017860]

約数ペア:

[(1, 31017860), (2, 15508930), (4, 7754465), (5, 6203572), (10, 3101786), (17, 1824580), (20, 1550893), (34, 912290), (68, 456145), (85, 364916), (170, 182458), (340, 91229)]