1978181504

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{4813}}^1$

素因数の和:4872

約数の個数: 96

約数和(自身を含む): 4492906200

約数和(自身を除く): 2514724696

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 169, 208, 247, 304, 338, 416, 494, 608, 676, 832, 988, 1216, 1352, 1664, 1976, 2432, 2704, 3211, 3952, 4813, 5408, 6422, 7904, 9626, 10816, 12844, 15808, 19252, 21632, 25688, 31616, 38504, 51376, 62569, 77008, 91447, 102752, 125138, 154016, 182894, 205504, 250276, 308032, 365788, 411008, 500552, 616064, 731576, 813397, 1001104, 1188811, 1463152, 1626794, 2002208, 2377622, 2926304, 3253588, 4004416, 4755244, 5852608, 6507176, 8008832, 9510488, 11705216, 13014352, 15454543, 19020976, 26028704, 30909086, 38041952, 52057408, 61818172, 76083904, 104114816, 123636344, 152167808, 247272688, 494545376, 989090752, 1978181504]

約数ペア:

[(1, 1978181504), (2, 989090752), (4, 494545376), (8, 247272688), (13, 152167808), (16, 123636344), (19, 104114816), (26, 76083904), (32, 61818172), (38, 52057408), (52, 38041952), (64, 30909086), (76, 26028704), (104, 19020976), (128, 15454543), (152, 13014352), (169, 11705216), (208, 9510488), (247, 8008832), (304, 6507176), (338, 5852608), (416, 4755244), (494, 4004416), (608, 3253588), (676, 2926304), (832, 2377622), (988, 2002208), (1216, 1626794), (1352, 1463152), (1664, 1188811), (1976, 1001104), (2432, 813397), (2704, 731576), (3211, 616064), (3952, 500552), (4813, 411008), (5408, 365788), (6422, 308032), (7904, 250276), (9626, 205504), (10816, 182894), (12844, 154016), (15808, 125138), (19252, 102752), (21632, 91447), (25688, 77008), (31616, 62569), (38504, 51376)]