129407888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1877}}^1$

素因数の和:2055

約数の個数: 40

約数和(自身を含む): 260816640

約数和(自身を除く): 131408752

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 1112, 1877, 2224, 3754, 4309, 7508, 8618, 15016, 17236, 30032, 34472, 58187, 68944, 116374, 232748, 260903, 465496, 521806, 930992, 1043612, 2087224, 4174448, 8087993, 16175986, 32351972, 64703944, 129407888]

約数ペア:

[(1, 129407888), (2, 64703944), (4, 32351972), (8, 16175986), (16, 8087993), (31, 4174448), (62, 2087224), (124, 1043612), (139, 930992), (248, 521806), (278, 465496), (496, 260903), (556, 232748), (1112, 116374), (1877, 68944), (2224, 58187), (3754, 34472), (4309, 30032), (7508, 17236), (8618, 15016)]