9920995

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 14358528

約数和(自身を除く): 4437533

約数列:

[1, 5, 7, 35, 37, 47, 163, 185, 235, 259, 329, 815, 1141, 1295, 1645, 1739, 5705, 6031, 7661, 8695, 12173, 30155, 38305, 42217, 53627, 60865, 211085, 268135, 283457, 1417285, 1984199, 9920995]

約数ペア:

[(1, 9920995), (5, 1984199), (7, 1417285), (35, 283457), (37, 268135), (47, 211085), (163, 60865), (185, 53627), (235, 42217), (259, 38305), (329, 30155), (815, 12173), (1141, 8695), (1295, 7661), (1645, 6031), (1739, 5705)]