128343472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{491}}^1$

素因数の和:578

約数の個数: 60

約数和(自身を含む): 272614248

約数和(自身を除く): 144270776

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 491, 496, 527, 961, 982, 1054, 1922, 1964, 2108, 3844, 3928, 4216, 7688, 7856, 8347, 8432, 15221, 15376, 16337, 16694, 30442, 32674, 33388, 60884, 65348, 66776, 121768, 130696, 133552, 243536, 258757, 261392, 471851, 517514, 943702, 1035028, 1887404, 2070056, 3774808, 4140112, 7549616, 8021467, 16042934, 32085868, 64171736, 128343472]

約数ペア:

[(1, 128343472), (2, 64171736), (4, 32085868), (8, 16042934), (16, 8021467), (17, 7549616), (31, 4140112), (34, 3774808), (62, 2070056), (68, 1887404), (124, 1035028), (136, 943702), (248, 517514), (272, 471851), (491, 261392), (496, 258757), (527, 243536), (961, 133552), (982, 130696), (1054, 121768), (1922, 66776), (1964, 65348), (2108, 60884), (3844, 33388), (3928, 32674), (4216, 30442), (7688, 16694), (7856, 16337), (8347, 15376), (8432, 15221)]