15657236

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 32497920

約数和(自身を除く): 16840684

約数列:

[1, 2, 4, 7, 14, 28, 61, 89, 103, 122, 178, 206, 244, 356, 412, 427, 623, 721, 854, 1246, 1442, 1708, 2492, 2884, 5429, 6283, 9167, 10858, 12566, 18334, 21716, 25132, 36668, 38003, 43981, 64169, 76006, 87962, 128338, 152012, 175924, 256676, 559187, 1118374, 2236748, 3914309, 7828618, 15657236]

約数ペア:

[(1, 15657236), (2, 7828618), (4, 3914309), (7, 2236748), (14, 1118374), (28, 559187), (61, 256676), (89, 175924), (103, 152012), (122, 128338), (178, 87962), (206, 76006), (244, 64169), (356, 43981), (412, 38003), (427, 36668), (623, 25132), (721, 21716), (854, 18334), (1246, 12566), (1442, 10858), (1708, 9167), (2492, 6283), (2884, 5429)]