81107856

素因数分解:

$2^4\times 3^2\times {\mathrm{563249}}^1$

素因数の和:563263

約数の個数: 30

約数和(自身を含む): 226989750

約数和(自身を除く): 145881894

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 563249, 1126498, 1689747, 2252996, 3379494, 4505992, 5069241, 6758988, 9011984, 10138482, 13517976, 20276964, 27035952, 40553928, 81107856]

約数ペア:

[(1, 81107856), (2, 40553928), (3, 27035952), (4, 20276964), (6, 13517976), (8, 10138482), (9, 9011984), (12, 6758988), (16, 5069241), (18, 4505992), (24, 3379494), (36, 2252996), (48, 1689747), (72, 1126498), (144, 563249)]