128513868

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{31223}}^1$

素因数の和:31251

約数の個数: 48

約数和(自身を含む): 349708800

約数和(自身を除く): 221194932

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 31223, 62446, 93669, 124892, 187338, 218561, 374676, 437122, 655683, 874244, 1311366, 1529927, 2622732, 3059854, 4589781, 6119708, 9179562, 10709489, 18359124, 21418978, 32128467, 42837956, 64256934, 128513868]

約数ペア:

[(1, 128513868), (2, 64256934), (3, 42837956), (4, 32128467), (6, 21418978), (7, 18359124), (12, 10709489), (14, 9179562), (21, 6119708), (28, 4589781), (42, 3059854), (49, 2622732), (84, 1529927), (98, 1311366), (147, 874244), (196, 655683), (294, 437122), (343, 374676), (588, 218561), (686, 187338), (1029, 124892), (1372, 93669), (2058, 62446), (4116, 31223)]