402694

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 16

約数和(自身を含む): 641520

約数和(自身を除く): 238826

約数列:

[1, 2, 29, 53, 58, 106, 131, 262, 1537, 3074, 3799, 6943, 7598, 13886, 201347, 402694]

約数ペア:

[(1, 402694), (2, 201347), (29, 13886), (53, 7598), (58, 6943), (106, 3799), (131, 3074), (262, 1537)]