1660721764

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 3283623168

約数和(自身を除く): 1622901404

約数列:

[1, 2, 4, 13, 26, 37, 52, 67, 74, 134, 148, 169, 268, 338, 481, 676, 871, 962, 991, 1742, 1924, 1982, 2479, 3484, 3964, 4958, 6253, 9916, 11323, 12506, 12883, 22646, 25012, 25766, 32227, 36667, 45292, 51532, 64454, 66397, 73334, 128908, 132794, 146668, 167479, 265588, 334958, 418951, 476671, 669916, 837902, 863161, 953342, 1675804, 1726322, 1906684, 2456689, 3452644, 4913378, 6196723, 9826756, 11221093, 12393446, 22442186, 24786892, 31936957, 44884372, 63873914, 127747828, 415180441, 830360882, 1660721764]

約数ペア:

[(1, 1660721764), (2, 830360882), (4, 415180441), (13, 127747828), (26, 63873914), (37, 44884372), (52, 31936957), (67, 24786892), (74, 22442186), (134, 12393446), (148, 11221093), (169, 9826756), (268, 6196723), (338, 4913378), (481, 3452644), (676, 2456689), (871, 1906684), (962, 1726322), (991, 1675804), (1742, 953342), (1924, 863161), (1982, 837902), (2479, 669916), (3484, 476671), (3964, 418951), (4958, 334958), (6253, 265588), (9916, 167479), (11323, 146668), (12506, 132794), (12883, 128908), (22646, 73334), (25012, 66397), (25766, 64454), (32227, 51532), (36667, 45292)]