207697750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{63907}}^1$

素因数の和:63937

約数の個数: 32

約数和(自身を含む): 418725216

約数和(自身を除く): 211027466

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 63907, 127814, 319535, 639070, 830791, 1597675, 1661582, 3195350, 4153955, 7988375, 8307910, 15976750, 20769775, 41539550, 103848875, 207697750]

約数ペア:

[(1, 207697750), (2, 103848875), (5, 41539550), (10, 20769775), (13, 15976750), (25, 8307910), (26, 7988375), (50, 4153955), (65, 3195350), (125, 1661582), (130, 1597675), (250, 830791), (325, 639070), (650, 319535), (1625, 127814), (3250, 63907)]