1633660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1667}}^1$

素因数の和:1690

約数の個数: 36

約数和(自身を含む): 3993192

約数和(自身を除く): 2359532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1667, 3334, 6668, 8335, 11669, 16670, 23338, 33340, 46676, 58345, 81683, 116690, 163366, 233380, 326732, 408415, 816830, 1633660]

約数ペア:

[(1, 1633660), (2, 816830), (4, 408415), (5, 326732), (7, 233380), (10, 163366), (14, 116690), (20, 81683), (28, 58345), (35, 46676), (49, 33340), (70, 23338), (98, 16670), (140, 11669), (196, 8335), (245, 6668), (490, 3334), (980, 1667)]