81619252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{487}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 168723072

約数和(自身を除く): 87103820

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 293, 487, 572, 586, 974, 1172, 1948, 3223, 3809, 5357, 6331, 6446, 7618, 10714, 12662, 12892, 15236, 21428, 25324, 41899, 69641, 83798, 139282, 142691, 167596, 278564, 285382, 570764, 1569601, 1854983, 3139202, 3709966, 6278404, 7419932, 20404813, 40809626, 81619252]

約数ペア:

[(1, 81619252), (2, 40809626), (4, 20404813), (11, 7419932), (13, 6278404), (22, 3709966), (26, 3139202), (44, 1854983), (52, 1569601), (143, 570764), (286, 285382), (293, 278564), (487, 167596), (572, 142691), (586, 139282), (974, 83798), (1172, 69641), (1948, 41899), (3223, 25324), (3809, 21428), (5357, 15236), (6331, 12892), (6446, 12662), (7618, 10714)]