38720396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 80344320

約数和(自身を除く): 41623924

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 139, 143, 278, 286, 487, 556, 572, 974, 1529, 1807, 1948, 3058, 3614, 5357, 6116, 6331, 7228, 10714, 12662, 19877, 21428, 25324, 39754, 67693, 69641, 79508, 135386, 139282, 270772, 278564, 744623, 880009, 1489246, 1760018, 2978492, 3520036, 9680099, 19360198, 38720396]

約数ペア:

[(1, 38720396), (2, 19360198), (4, 9680099), (11, 3520036), (13, 2978492), (22, 1760018), (26, 1489246), (44, 880009), (52, 744623), (139, 278564), (143, 270772), (278, 139282), (286, 135386), (487, 79508), (556, 69641), (572, 67693), (974, 39754), (1529, 25324), (1807, 21428), (1948, 19877), (3058, 12662), (3614, 10714), (5357, 7228), (6116, 6331)]