81771508

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{811}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 176977024

約数和(自身を除く): 95205516

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 277, 364, 554, 811, 1108, 1622, 1939, 3244, 3601, 3878, 5677, 7202, 7756, 10543, 11354, 14404, 21086, 22708, 25207, 42172, 50414, 73801, 100828, 147602, 224647, 295204, 449294, 898588, 1572529, 2920411, 3145058, 5840822, 6290116, 11681644, 20442877, 40885754, 81771508]

約数ペア:

[(1, 81771508), (2, 40885754), (4, 20442877), (7, 11681644), (13, 6290116), (14, 5840822), (26, 3145058), (28, 2920411), (52, 1572529), (91, 898588), (182, 449294), (277, 295204), (364, 224647), (554, 147602), (811, 100828), (1108, 73801), (1622, 50414), (1939, 42172), (3244, 25207), (3601, 22708), (3878, 21086), (5677, 14404), (7202, 11354), (7756, 10543)]