81387992

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 181294080

約数和(自身を除く): 99906088

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 73, 86, 146, 172, 292, 301, 344, 463, 511, 584, 602, 926, 1022, 1204, 1852, 2044, 2408, 3139, 3241, 3704, 4088, 6278, 6482, 12556, 12964, 19909, 21973, 25112, 25928, 33799, 39818, 43946, 67598, 79636, 87892, 135196, 139363, 159272, 175784, 236593, 270392, 278726, 473186, 557452, 946372, 1114904, 1453357, 1892744, 2906714, 5813428, 10173499, 11626856, 20346998, 40693996, 81387992]

約数ペア:

[(1, 81387992), (2, 40693996), (4, 20346998), (7, 11626856), (8, 10173499), (14, 5813428), (28, 2906714), (43, 1892744), (56, 1453357), (73, 1114904), (86, 946372), (146, 557452), (172, 473186), (292, 278726), (301, 270392), (344, 236593), (463, 175784), (511, 159272), (584, 139363), (602, 135196), (926, 87892), (1022, 79636), (1204, 67598), (1852, 43946), (2044, 39818), (2408, 33799), (3139, 25928), (3241, 25112), (3704, 21973), (4088, 19909), (6278, 12964), (6482, 12556)]