28790762

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 59076864

約数和(自身を除く): 30286102

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 73, 77, 91, 143, 146, 154, 182, 197, 286, 394, 511, 803, 949, 1001, 1022, 1379, 1606, 1898, 2002, 2167, 2561, 2758, 4334, 5122, 5621, 6643, 10439, 11242, 13286, 14381, 15169, 17927, 20878, 28171, 28762, 30338, 35854, 56342, 73073, 100667, 146146, 158191, 186953, 197197, 201334, 316382, 373906, 394394, 1107337, 1308671, 2056483, 2214674, 2617342, 4112966, 14395381, 28790762]

約数ペア:

[(1, 28790762), (2, 14395381), (7, 4112966), (11, 2617342), (13, 2214674), (14, 2056483), (22, 1308671), (26, 1107337), (73, 394394), (77, 373906), (91, 316382), (143, 201334), (146, 197197), (154, 186953), (182, 158191), (197, 146146), (286, 100667), (394, 73073), (511, 56342), (803, 35854), (949, 30338), (1001, 28762), (1022, 28171), (1379, 20878), (1606, 17927), (1898, 15169), (2002, 14381), (2167, 13286), (2561, 11242), (2758, 10439), (4334, 6643), (5122, 5621)]