81002504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1362

約数の個数: 64

約数和(自身を含む): 178606080

約数和(自身を除く): 97603576

約数列:

[1, 2, 4, 8, 11, 22, 23, 31, 44, 46, 62, 88, 92, 124, 184, 248, 253, 341, 506, 682, 713, 1012, 1291, 1364, 1426, 2024, 2582, 2728, 2852, 5164, 5704, 7843, 10328, 14201, 15686, 28402, 29693, 31372, 40021, 56804, 59386, 62744, 80042, 113608, 118772, 160084, 237544, 320168, 326623, 440231, 653246, 880462, 920483, 1306492, 1760924, 1840966, 2612984, 3521848, 3681932, 7363864, 10125313, 20250626, 40501252, 81002504]

約数ペア:

[(1, 81002504), (2, 40501252), (4, 20250626), (8, 10125313), (11, 7363864), (22, 3681932), (23, 3521848), (31, 2612984), (44, 1840966), (46, 1760924), (62, 1306492), (88, 920483), (92, 880462), (124, 653246), (184, 440231), (248, 326623), (253, 320168), (341, 237544), (506, 160084), (682, 118772), (713, 113608), (1012, 80042), (1291, 62744), (1364, 59386), (1426, 56804), (2024, 40021), (2582, 31372), (2728, 29693), (2852, 28402), (5164, 15686), (5704, 14201), (7843, 10328)]