8452990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1327}}^1$

素因数の和:1361

約数の個数: 48

約数和(自身を含む): 19075392

約数和(自身を除く): 10622402

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 1327, 2654, 3185, 6370, 6635, 9289, 13270, 17251, 18578, 34502, 46445, 65023, 86255, 92890, 120757, 130046, 172510, 241514, 325115, 603785, 650230, 845299, 1207570, 1690598, 4226495, 8452990]

約数ペア:

[(1, 8452990), (2, 4226495), (5, 1690598), (7, 1207570), (10, 845299), (13, 650230), (14, 603785), (26, 325115), (35, 241514), (49, 172510), (65, 130046), (70, 120757), (91, 92890), (98, 86255), (130, 65023), (182, 46445), (245, 34502), (455, 18578), (490, 17251), (637, 13270), (910, 9289), (1274, 6635), (1327, 6370), (2654, 3185)]