217249708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{11971}}^1$

素因数の和:12337

約数の個数: 24

約数和(自身を含む): 410639600

約数和(自身を除く): 193389892

約数列:

[1, 2, 4, 13, 26, 52, 349, 698, 1396, 4537, 9074, 11971, 18148, 23942, 47884, 155623, 311246, 622492, 4177879, 8355758, 16711516, 54312427, 108624854, 217249708]

約数ペア:

[(1, 217249708), (2, 108624854), (4, 54312427), (13, 16711516), (26, 8355758), (52, 4177879), (349, 622492), (698, 311246), (1396, 155623), (4537, 47884), (9074, 23942), (11971, 18148)]