27977684

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 29679916

約数列:

[1, 2, 4, 7, 14, 28, 89, 103, 109, 178, 206, 218, 356, 412, 436, 623, 721, 763, 1246, 1442, 1526, 2492, 2884, 3052, 9167, 9701, 11227, 18334, 19402, 22454, 36668, 38804, 44908, 64169, 67907, 78589, 128338, 135814, 157178, 256676, 271628, 314356, 999203, 1998406, 3996812, 6994421, 13988842, 27977684]

約数ペア:

[(1, 27977684), (2, 13988842), (4, 6994421), (7, 3996812), (14, 1998406), (28, 999203), (89, 314356), (103, 271628), (109, 256676), (178, 157178), (206, 135814), (218, 128338), (356, 78589), (412, 67907), (436, 64169), (623, 44908), (721, 38804), (763, 36668), (1246, 22454), (1442, 19402), (1526, 18334), (2492, 11227), (2884, 9701), (3052, 9167)]