127904464

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 60

約数和(自身を含む): 266476000

約数和(自身を除く): 138571536

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 139, 199, 272, 278, 289, 398, 556, 578, 796, 1112, 1156, 1592, 2224, 2312, 2363, 3184, 3383, 4624, 4726, 6766, 9452, 13532, 18904, 27064, 27661, 37808, 40171, 54128, 55322, 57511, 80342, 110644, 115022, 160684, 221288, 230044, 321368, 442576, 460088, 470237, 642736, 920176, 940474, 1880948, 3761896, 7523792, 7994029, 15988058, 31976116, 63952232, 127904464]

約数ペア:

[(1, 127904464), (2, 63952232), (4, 31976116), (8, 15988058), (16, 7994029), (17, 7523792), (34, 3761896), (68, 1880948), (136, 940474), (139, 920176), (199, 642736), (272, 470237), (278, 460088), (289, 442576), (398, 321368), (556, 230044), (578, 221288), (796, 160684), (1112, 115022), (1156, 110644), (1592, 80342), (2224, 57511), (2312, 55322), (2363, 54128), (3184, 40171), (3383, 37808), (4624, 27661), (4726, 27064), (6766, 18904), (9452, 13532)]