31908065

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 48460032

約数和(自身を除く): 16551967

約数列:

[1, 5, 7, 17, 35, 47, 49, 85, 119, 163, 235, 245, 329, 595, 799, 815, 833, 1141, 1645, 2303, 2771, 3995, 4165, 5593, 5705, 7661, 7987, 11515, 13855, 19397, 27965, 38305, 39151, 39935, 53627, 96985, 130237, 135779, 195755, 268135, 375389, 651185, 678895, 911659, 1876945, 4558295, 6381613, 31908065]

約数ペア:

[(1, 31908065), (5, 6381613), (7, 4558295), (17, 1876945), (35, 911659), (47, 678895), (49, 651185), (85, 375389), (119, 268135), (163, 195755), (235, 135779), (245, 130237), (329, 96985), (595, 53627), (799, 39935), (815, 39151), (833, 38305), (1141, 27965), (1645, 19397), (2303, 13855), (2771, 11515), (3995, 7987), (4165, 7661), (5593, 5705)]