71519816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 148852080

約数和(自身を除く): 77332264

約数列:

[1, 2, 4, 8, 17, 34, 37, 61, 68, 74, 122, 136, 148, 233, 244, 296, 466, 488, 629, 932, 1037, 1258, 1864, 2074, 2257, 2516, 3961, 4148, 4514, 5032, 7922, 8296, 8621, 9028, 14213, 15844, 17242, 18056, 28426, 31688, 34484, 38369, 56852, 68968, 76738, 113704, 146557, 153476, 241621, 293114, 306952, 483242, 525881, 586228, 966484, 1051762, 1172456, 1932968, 2103524, 4207048, 8939977, 17879954, 35759908, 71519816]

約数ペア:

[(1, 71519816), (2, 35759908), (4, 17879954), (8, 8939977), (17, 4207048), (34, 2103524), (37, 1932968), (61, 1172456), (68, 1051762), (74, 966484), (122, 586228), (136, 525881), (148, 483242), (233, 306952), (244, 293114), (296, 241621), (466, 153476), (488, 146557), (629, 113704), (932, 76738), (1037, 68968), (1258, 56852), (1864, 38369), (2074, 34484), (2257, 31688), (2516, 28426), (3961, 18056), (4148, 17242), (4514, 15844), (5032, 14213), (7922, 9028), (8296, 8621)]