123972016

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12437}}^1$

素因数の和:12541

約数の個数: 40

約数和(自身を含む): 277616160

約数和(自身を除く): 153644144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 12437, 24874, 49748, 87059, 99496, 174118, 198992, 348236, 696472, 1106893, 1392944, 2213786, 4427572, 7748251, 8855144, 15496502, 17710288, 30993004, 61986008, 123972016]

約数ペア:

[(1, 123972016), (2, 61986008), (4, 30993004), (7, 17710288), (8, 15496502), (14, 8855144), (16, 7748251), (28, 4427572), (56, 2213786), (89, 1392944), (112, 1106893), (178, 696472), (356, 348236), (623, 198992), (712, 174118), (1246, 99496), (1424, 87059), (2492, 49748), (4984, 24874), (9968, 12437)]