889802992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1013}}^1$

素因数の和:1178

約数の個数: 80

約数和(自身を含む): 1922251968

約数和(自身を除く): 1032448976

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 103, 104, 164, 206, 208, 328, 412, 533, 656, 824, 1013, 1066, 1339, 1648, 2026, 2132, 2678, 4052, 4223, 4264, 5356, 8104, 8446, 8528, 10712, 13169, 16208, 16892, 21424, 26338, 33784, 41533, 52676, 54899, 67568, 83066, 104339, 105352, 109798, 166132, 208678, 210704, 219596, 332264, 417356, 439192, 539929, 664528, 834712, 878384, 1079858, 1356407, 1669424, 2159716, 2712814, 4277899, 4319432, 5425628, 8555798, 8638864, 10851256, 17111596, 21702512, 34223192, 55612687, 68446384, 111225374, 222450748, 444901496, 889802992]

約数ペア:

[(1, 889802992), (2, 444901496), (4, 222450748), (8, 111225374), (13, 68446384), (16, 55612687), (26, 34223192), (41, 21702512), (52, 17111596), (82, 10851256), (103, 8638864), (104, 8555798), (164, 5425628), (206, 4319432), (208, 4277899), (328, 2712814), (412, 2159716), (533, 1669424), (656, 1356407), (824, 1079858), (1013, 878384), (1066, 834712), (1339, 664528), (1648, 539929), (2026, 439192), (2132, 417356), (2678, 332264), (4052, 219596), (4223, 210704), (4264, 208678), (5356, 166132), (8104, 109798), (8446, 105352), (8528, 104339), (10712, 83066), (13169, 67568), (16208, 54899), (16892, 52676), (21424, 41533), (26338, 33784)]