81253964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 161342496

約数和(自身を除く): 80088532

約数列:

[1, 2, 4, 11, 22, 41, 44, 73, 82, 146, 164, 292, 451, 617, 803, 902, 1234, 1606, 1804, 2468, 2993, 3212, 5986, 6787, 11972, 13574, 25297, 27148, 32923, 45041, 50594, 65846, 90082, 101188, 131692, 180164, 278267, 495451, 556534, 990902, 1113068, 1846681, 1981804, 3693362, 7386724, 20313491, 40626982, 81253964]

約数ペア:

[(1, 81253964), (2, 40626982), (4, 20313491), (11, 7386724), (22, 3693362), (41, 1981804), (44, 1846681), (73, 1113068), (82, 990902), (146, 556534), (164, 495451), (292, 278267), (451, 180164), (617, 131692), (803, 101188), (902, 90082), (1234, 65846), (1606, 50594), (1804, 45041), (2468, 32923), (2993, 27148), (3212, 25297), (5986, 13574), (6787, 11972)]