256162008

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{619}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 657993600

約数和(自身を除く): 401831592

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 401, 516, 619, 802, 1032, 1203, 1238, 1604, 1857, 2406, 2476, 3208, 3714, 4812, 4952, 7428, 9624, 14856, 17243, 26617, 34486, 51729, 53234, 68972, 79851, 103458, 106468, 137944, 159702, 206916, 212936, 248219, 319404, 413832, 496438, 638808, 744657, 992876, 1489314, 1985752, 2978628, 5957256, 10673417, 21346834, 32020251, 42693668, 64040502, 85387336, 128081004, 256162008]

約数ペア:

[(1, 256162008), (2, 128081004), (3, 85387336), (4, 64040502), (6, 42693668), (8, 32020251), (12, 21346834), (24, 10673417), (43, 5957256), (86, 2978628), (129, 1985752), (172, 1489314), (258, 992876), (344, 744657), (401, 638808), (516, 496438), (619, 413832), (802, 319404), (1032, 248219), (1203, 212936), (1238, 206916), (1604, 159702), (1857, 137944), (2406, 106468), (2476, 103458), (3208, 79851), (3714, 68972), (4812, 53234), (4952, 51729), (7428, 34486), (9624, 26617), (14856, 17243)]