161547568

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{613}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 387989056

約数和(自身を除く): 226441488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 181, 182, 208, 362, 364, 613, 724, 728, 1226, 1267, 1448, 1456, 2353, 2452, 2534, 2896, 4291, 4706, 4904, 5068, 7969, 8582, 9412, 9808, 10136, 15938, 16471, 17164, 18824, 20272, 31876, 32942, 34328, 37648, 55783, 63752, 65884, 68656, 110953, 111566, 127504, 131768, 221906, 223132, 263536, 443812, 446264, 776671, 887624, 892528, 1442389, 1553342, 1775248, 2884778, 3106684, 5769556, 6213368, 10096723, 11539112, 12426736, 20193446, 23078224, 40386892, 80773784, 161547568]

約数ペア:

[(1, 161547568), (2, 80773784), (4, 40386892), (7, 23078224), (8, 20193446), (13, 12426736), (14, 11539112), (16, 10096723), (26, 6213368), (28, 5769556), (52, 3106684), (56, 2884778), (91, 1775248), (104, 1553342), (112, 1442389), (181, 892528), (182, 887624), (208, 776671), (362, 446264), (364, 443812), (613, 263536), (724, 223132), (728, 221906), (1226, 131768), (1267, 127504), (1448, 111566), (1456, 110953), (2353, 68656), (2452, 65884), (2534, 63752), (2896, 55783), (4291, 37648), (4706, 34328), (4904, 32942), (5068, 31876), (7969, 20272), (8582, 18824), (9412, 17164), (9808, 16471), (10136, 15938)]