991372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 1874880

約数和(自身を除く): 883508

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 239, 244, 478, 956, 1037, 2074, 4063, 4148, 8126, 14579, 16252, 29158, 58316, 247843, 495686, 991372]

約数ペア:

[(1, 991372), (2, 495686), (4, 247843), (17, 58316), (34, 29158), (61, 16252), (68, 14579), (122, 8126), (239, 4148), (244, 4063), (478, 2074), (956, 1037)]