78445668

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1499}}^1$

素因数の和:1609

約数の個数: 72

約数和(自身を含む): 215460000

約数和(自身を除く): 137014332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 89, 98, 147, 178, 196, 267, 294, 356, 534, 588, 623, 1068, 1246, 1499, 1869, 2492, 2998, 3738, 4361, 4497, 5996, 7476, 8722, 8994, 10493, 13083, 17444, 17988, 20986, 26166, 31479, 41972, 52332, 62958, 73451, 125916, 133411, 146902, 220353, 266822, 293804, 400233, 440706, 533644, 800466, 881412, 933877, 1600932, 1867754, 2801631, 3735508, 5603262, 6537139, 11206524, 13074278, 19611417, 26148556, 39222834, 78445668]

約数ペア:

[(1, 78445668), (2, 39222834), (3, 26148556), (4, 19611417), (6, 13074278), (7, 11206524), (12, 6537139), (14, 5603262), (21, 3735508), (28, 2801631), (42, 1867754), (49, 1600932), (84, 933877), (89, 881412), (98, 800466), (147, 533644), (178, 440706), (196, 400233), (267, 293804), (294, 266822), (356, 220353), (534, 146902), (588, 133411), (623, 125916), (1068, 73451), (1246, 62958), (1499, 52332), (1869, 41972), (2492, 31479), (2998, 26166), (3738, 20986), (4361, 17988), (4497, 17444), (5996, 13083), (7476, 10493), (8722, 8994)]