81960890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{2543}}^1$

素因数の和:2854

約数の個数: 32

約数和(自身を含む): 161554176

約数和(自身を除く): 79593286

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 293, 586, 1465, 2543, 2930, 3223, 5086, 6446, 12715, 16115, 25430, 27973, 32230, 55946, 139865, 279730, 745099, 1490198, 3725495, 7450990, 8196089, 16392178, 40980445, 81960890]

約数ペア:

[(1, 81960890), (2, 40980445), (5, 16392178), (10, 8196089), (11, 7450990), (22, 3725495), (55, 1490198), (110, 745099), (293, 279730), (586, 139865), (1465, 55946), (2543, 32230), (2930, 27973), (3223, 25430), (5086, 16115), (6446, 12715)]