42156478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 83543040

約数和(自身を除く): 41386562

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 73, 91, 133, 146, 167, 182, 247, 266, 334, 494, 511, 949, 1022, 1169, 1387, 1729, 1898, 2171, 2338, 2774, 3173, 3458, 4342, 6346, 6643, 9709, 12191, 13286, 15197, 18031, 19418, 22211, 24382, 30394, 36062, 41249, 44422, 82498, 85337, 126217, 158483, 170674, 231629, 252434, 288743, 316966, 463258, 577486, 1109381, 1621403, 2218762, 3011177, 3242806, 6022354, 21078239, 42156478]

約数ペア:

[(1, 42156478), (2, 21078239), (7, 6022354), (13, 3242806), (14, 3011177), (19, 2218762), (26, 1621403), (38, 1109381), (73, 577486), (91, 463258), (133, 316966), (146, 288743), (167, 252434), (182, 231629), (247, 170674), (266, 158483), (334, 126217), (494, 85337), (511, 82498), (949, 44422), (1022, 41249), (1169, 36062), (1387, 30394), (1729, 24382), (1898, 22211), (2171, 19418), (2338, 18031), (2774, 15197), (3173, 13286), (3458, 12191), (4342, 9709), (6346, 6643)]