9139970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 19994688

約数和(自身を除く): 10854718

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 811, 1127, 1610, 1622, 2254, 4055, 5635, 5677, 8110, 11270, 11354, 18653, 28385, 37306, 39739, 56770, 79478, 93265, 130571, 186530, 198695, 261142, 397390, 652855, 913997, 1305710, 1827994, 4569985, 9139970]

約数ペア:

[(1, 9139970), (2, 4569985), (5, 1827994), (7, 1305710), (10, 913997), (14, 652855), (23, 397390), (35, 261142), (46, 198695), (49, 186530), (70, 130571), (98, 93265), (115, 79478), (161, 56770), (230, 39739), (245, 37306), (322, 28385), (490, 18653), (805, 11354), (811, 11270), (1127, 8110), (1610, 5677), (1622, 5635), (2254, 4055)]