78218478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 195555360

約数和(自身を除く): 117336882

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 73, 78, 114, 117, 146, 171, 219, 234, 241, 247, 342, 438, 482, 494, 657, 723, 741, 949, 1314, 1387, 1446, 1482, 1898, 2169, 2223, 2774, 2847, 3133, 4161, 4338, 4446, 4579, 5694, 6266, 8322, 8541, 9158, 9399, 12483, 13737, 17082, 17593, 18031, 18798, 24966, 27474, 28197, 35186, 36062, 41211, 52779, 54093, 56394, 59527, 82422, 105558, 108186, 119054, 158337, 162279, 178581, 228709, 316674, 324558, 334267, 357162, 457418, 535743, 668534, 686127, 1002801, 1071486, 1372254, 2005602, 2058381, 3008403, 4116762, 4345471, 6016806, 8690942, 13036413, 26072826, 39109239, 78218478]

約数ペア:

[(1, 78218478), (2, 39109239), (3, 26072826), (6, 13036413), (9, 8690942), (13, 6016806), (18, 4345471), (19, 4116762), (26, 3008403), (38, 2058381), (39, 2005602), (57, 1372254), (73, 1071486), (78, 1002801), (114, 686127), (117, 668534), (146, 535743), (171, 457418), (219, 357162), (234, 334267), (241, 324558), (247, 316674), (342, 228709), (438, 178581), (482, 162279), (494, 158337), (657, 119054), (723, 108186), (741, 105558), (949, 82422), (1314, 59527), (1387, 56394), (1446, 54093), (1482, 52779), (1898, 41211), (2169, 36062), (2223, 35186), (2774, 28197), (2847, 27474), (3133, 24966), (4161, 18798), (4338, 18031), (4446, 17593), (4579, 17082), (5694, 13737), (6266, 12483), (8322, 9399), (8541, 9158)]