78511995

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 146644992

約数和(自身を除く): 68132997

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 713, 1035, 1395, 2139, 2447, 3565, 6417, 7341, 10695, 12235, 22023, 32085, 36705, 56281, 75857, 110115, 168843, 227571, 281405, 379285, 506529, 682713, 844215, 1137855, 1744711, 2532645, 3413565, 5234133, 8723555, 15702399, 26170665, 78511995]

約数ペア:

[(1, 78511995), (3, 26170665), (5, 15702399), (9, 8723555), (15, 5234133), (23, 3413565), (31, 2532645), (45, 1744711), (69, 1137855), (93, 844215), (115, 682713), (155, 506529), (207, 379285), (279, 281405), (345, 227571), (465, 168843), (713, 110115), (1035, 75857), (1395, 56281), (2139, 36705), (2447, 32085), (3565, 22023), (6417, 12235), (7341, 10695)]