641502

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:392

約数の個数: 24

約数和(自身を含む): 1404936

約数和(自身を除く): 763434

約数列:

[1, 2, 3, 6, 9, 18, 157, 227, 314, 454, 471, 681, 942, 1362, 1413, 2043, 2826, 4086, 35639, 71278, 106917, 213834, 320751, 641502]

約数ペア:

[(1, 641502), (2, 320751), (3, 213834), (6, 106917), (9, 71278), (18, 35639), (157, 4086), (227, 2826), (314, 2043), (454, 1413), (471, 1362), (681, 942)]