2007647984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:886

約数の個数: 80

約数和(自身を含む): 4122902784

約数和(自身を除く): 2115254800

約数列:

[1, 2, 4, 8, 16, 41, 43, 82, 86, 103, 164, 172, 206, 328, 344, 412, 656, 688, 691, 824, 1382, 1648, 1763, 2764, 3526, 4223, 4429, 5528, 7052, 8446, 8858, 11056, 14104, 16892, 17716, 28208, 28331, 29713, 33784, 35432, 56662, 59426, 67568, 70864, 71173, 113324, 118852, 142346, 181589, 226648, 237704, 284692, 363178, 453296, 475408, 569384, 726356, 1138768, 1218233, 1452712, 2436466, 2905424, 2918093, 3060439, 4872932, 5836186, 6120878, 9745864, 11672372, 12241756, 19491728, 23344744, 24483512, 46689488, 48967024, 125477999, 250955998, 501911996, 1003823992, 2007647984]

約数ペア:

[(1, 2007647984), (2, 1003823992), (4, 501911996), (8, 250955998), (16, 125477999), (41, 48967024), (43, 46689488), (82, 24483512), (86, 23344744), (103, 19491728), (164, 12241756), (172, 11672372), (206, 9745864), (328, 6120878), (344, 5836186), (412, 4872932), (656, 3060439), (688, 2918093), (691, 2905424), (824, 2436466), (1382, 1452712), (1648, 1218233), (1763, 1138768), (2764, 726356), (3526, 569384), (4223, 475408), (4429, 453296), (5528, 363178), (7052, 284692), (8446, 237704), (8858, 226648), (11056, 181589), (14104, 142346), (16892, 118852), (17716, 113324), (28208, 71173), (28331, 70864), (29713, 67568), (33784, 59426), (35432, 56662)]