80991708

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{761}}^1$

素因数の和:963

約数の個数: 72

約数和(自身を含む): 221339664

約数和(自身を除く): 140347956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 181, 196, 294, 362, 543, 588, 724, 761, 1086, 1267, 1522, 2172, 2283, 2534, 3044, 3801, 4566, 5068, 5327, 7602, 8869, 9132, 10654, 15204, 15981, 17738, 21308, 26607, 31962, 35476, 37289, 53214, 63924, 74578, 106428, 111867, 137741, 149156, 223734, 275482, 413223, 447468, 550964, 826446, 964187, 1652892, 1928374, 2892561, 3856748, 5785122, 6749309, 11570244, 13498618, 20247927, 26997236, 40495854, 80991708]

約数ペア:

[(1, 80991708), (2, 40495854), (3, 26997236), (4, 20247927), (6, 13498618), (7, 11570244), (12, 6749309), (14, 5785122), (21, 3856748), (28, 2892561), (42, 1928374), (49, 1652892), (84, 964187), (98, 826446), (147, 550964), (181, 447468), (196, 413223), (294, 275482), (362, 223734), (543, 149156), (588, 137741), (724, 111867), (761, 106428), (1086, 74578), (1267, 63924), (1522, 53214), (2172, 37289), (2283, 35476), (2534, 31962), (3044, 26607), (3801, 21308), (4566, 17738), (5068, 15981), (5327, 15204), (7602, 10654), (8869, 9132)]