511394

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 24

約数和(自身を含む): 889380

約数和(自身を除く): 377986

約数列:

[1, 2, 13, 17, 26, 34, 89, 169, 178, 221, 338, 442, 1157, 1513, 2314, 2873, 3026, 5746, 15041, 19669, 30082, 39338, 255697, 511394]

約数ペア:

[(1, 511394), (2, 255697), (13, 39338), (17, 30082), (26, 19669), (34, 15041), (89, 5746), (169, 3026), (178, 2873), (221, 2314), (338, 1513), (442, 1157)]