31257446

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{569}}^1$

素因数の和:820

約数の個数: 24

約数和(自身を含む): 51854040

約数和(自身を除く): 20596594

約数列:

[1, 2, 11, 22, 121, 227, 242, 454, 569, 1138, 2497, 4994, 6259, 12518, 27467, 54934, 68849, 129163, 137698, 258326, 1420793, 2841586, 15628723, 31257446]

約数ペア:

[(1, 31257446), (2, 15628723), (11, 2841586), (22, 1420793), (121, 258326), (227, 137698), (242, 129163), (454, 68849), (569, 54934), (1138, 27467), (2497, 12518), (4994, 6259)]