138899784

素因数分解:

$2^3\times 3^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 353111040

約数和(自身を除く): 214211256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 157, 191, 193, 314, 382, 386, 471, 573, 579, 628, 764, 772, 942, 1146, 1158, 1256, 1528, 1544, 1884, 2292, 2316, 3768, 4584, 4632, 29987, 30301, 36863, 59974, 60602, 73726, 89961, 90903, 110589, 119948, 121204, 147452, 179922, 181806, 221178, 239896, 242408, 294904, 359844, 363612, 442356, 719688, 727224, 884712, 5787491, 11574982, 17362473, 23149964, 34724946, 46299928, 69449892, 138899784]

約数ペア:

[(1, 138899784), (2, 69449892), (3, 46299928), (4, 34724946), (6, 23149964), (8, 17362473), (12, 11574982), (24, 5787491), (157, 884712), (191, 727224), (193, 719688), (314, 442356), (382, 363612), (386, 359844), (471, 294904), (573, 242408), (579, 239896), (628, 221178), (764, 181806), (772, 179922), (942, 147452), (1146, 121204), (1158, 119948), (1256, 110589), (1528, 90903), (1544, 89961), (1884, 73726), (2292, 60602), (2316, 59974), (3768, 36863), (4584, 30301), (4632, 29987)]