161742620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{3257}}^1$

素因数の和:3470

約数の個数: 48

約数和(自身を含む): 367815168

約数和(自身を除く): 206072548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 3257, 3820, 4966, 6514, 9932, 12415, 13028, 16285, 24830, 32570, 42341, 49660, 65140, 84682, 169364, 211705, 423410, 622087, 846820, 1244174, 2488348, 3110435, 6220870, 8087131, 12441740, 16174262, 32348524, 40435655, 80871310, 161742620]

約数ペア:

[(1, 161742620), (2, 80871310), (4, 40435655), (5, 32348524), (10, 16174262), (13, 12441740), (20, 8087131), (26, 6220870), (52, 3110435), (65, 2488348), (130, 1244174), (191, 846820), (260, 622087), (382, 423410), (764, 211705), (955, 169364), (1910, 84682), (2483, 65140), (3257, 49660), (3820, 42341), (4966, 32570), (6514, 24830), (9932, 16285), (12415, 13028)]