920642495

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{457}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 1174473216

約数和(自身を除く): 253830721

約数列:

[1, 5, 31, 41, 155, 205, 317, 457, 1271, 1585, 2285, 6355, 9827, 12997, 14167, 18737, 49135, 64985, 70835, 93685, 144869, 402907, 580847, 724345, 2014535, 2904235, 4490939, 5939629, 22454695, 29698145, 184128499, 920642495]

約数ペア:

[(1, 920642495), (5, 184128499), (31, 29698145), (41, 22454695), (155, 5939629), (205, 4490939), (317, 2904235), (457, 2014535), (1271, 724345), (1585, 580847), (2285, 402907), (6355, 144869), (9827, 93685), (12997, 70835), (14167, 64985), (18737, 49135)]