651236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 1234296

約数和(自身を除く): 583060

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 157, 244, 314, 628, 1037, 2074, 2669, 4148, 5338, 9577, 10676, 19154, 38308, 162809, 325618, 651236]

約数ペア:

[(1, 651236), (2, 325618), (4, 162809), (17, 38308), (34, 19154), (61, 10676), (68, 9577), (122, 5338), (157, 4148), (244, 2669), (314, 2074), (628, 1037)]