78299739

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2521}}^1$

素因数の和:2580

約数の個数: 48

約数和(自身を含む): 141635520

約数和(自身を除く): 63335781

約数列:

[1, 3, 7, 9, 17, 21, 29, 51, 63, 87, 119, 153, 203, 261, 357, 493, 609, 1071, 1479, 1827, 2521, 3451, 4437, 7563, 10353, 17647, 22689, 31059, 42857, 52941, 73109, 128571, 158823, 219327, 299999, 385713, 511763, 657981, 899997, 1242853, 1535289, 2699991, 3728559, 4605867, 8699971, 11185677, 26099913, 78299739]

約数ペア:

[(1, 78299739), (3, 26099913), (7, 11185677), (9, 8699971), (17, 4605867), (21, 3728559), (29, 2699991), (51, 1535289), (63, 1242853), (87, 899997), (119, 657981), (153, 511763), (203, 385713), (261, 299999), (357, 219327), (493, 158823), (609, 128571), (1071, 73109), (1479, 52941), (1827, 42857), (2521, 31059), (3451, 22689), (4437, 17647), (7563, 10353)]