161490308

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 342725376

約数和(自身を除く): 181235068

約数列:

[1, 2, 4, 7, 14, 28, 41, 47, 73, 82, 94, 146, 164, 188, 287, 292, 329, 511, 574, 658, 1022, 1148, 1316, 1681, 1927, 2044, 2993, 3362, 3431, 3854, 5986, 6724, 6862, 7708, 11767, 11972, 13489, 13724, 20951, 23534, 24017, 26978, 41902, 47068, 48034, 53956, 79007, 83804, 96068, 122713, 140671, 158014, 245426, 281342, 316028, 490852, 553049, 562684, 858991, 984697, 1106098, 1717982, 1969394, 2212196, 3435964, 3938788, 5767511, 11535022, 23070044, 40372577, 80745154, 161490308]

約数ペア:

[(1, 161490308), (2, 80745154), (4, 40372577), (7, 23070044), (14, 11535022), (28, 5767511), (41, 3938788), (47, 3435964), (73, 2212196), (82, 1969394), (94, 1717982), (146, 1106098), (164, 984697), (188, 858991), (287, 562684), (292, 553049), (329, 490852), (511, 316028), (574, 281342), (658, 245426), (1022, 158014), (1148, 140671), (1316, 122713), (1681, 96068), (1927, 83804), (2044, 79007), (2993, 53956), (3362, 48034), (3431, 47068), (3854, 41902), (5986, 26978), (6724, 24017), (6862, 23534), (7708, 20951), (11767, 13724), (11972, 13489)]