289557317

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 346049280

約数和(自身を除く): 56491963

約数列:

[1, 7, 49, 67, 89, 469, 623, 991, 3283, 4361, 5963, 6937, 41741, 48559, 66397, 88199, 292187, 464779, 617393, 3253453, 4321751, 5909333, 41365331, 289557317]

約数ペア:

[(1, 289557317), (7, 41365331), (49, 5909333), (67, 4321751), (89, 3253453), (469, 617393), (623, 464779), (991, 292187), (3283, 88199), (4361, 66397), (5963, 48559), (6937, 41741)]