66334816

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2087

約数の個数: 48

約数和(自身を含む): 140616000

約数和(自身を除く): 74281184

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 976, 1037, 1952, 1999, 2074, 3998, 4148, 7996, 8296, 15992, 16592, 31984, 33184, 33983, 63968, 67966, 121939, 135932, 243878, 271864, 487756, 543728, 975512, 1087456, 1951024, 2072963, 3902048, 4145926, 8291852, 16583704, 33167408, 66334816]

約数ペア:

[(1, 66334816), (2, 33167408), (4, 16583704), (8, 8291852), (16, 4145926), (17, 3902048), (32, 2072963), (34, 1951024), (61, 1087456), (68, 975512), (122, 543728), (136, 487756), (244, 271864), (272, 243878), (488, 135932), (544, 121939), (976, 67966), (1037, 63968), (1952, 33983), (1999, 33184), (2074, 31984), (3998, 16592), (4148, 15992), (7996, 8296)]