81709576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41351}}^1$

素因数の和:41389

約数の個数: 32

約数和(自身を含む): 173678400

約数和(自身を除く): 91968824

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 41351, 82702, 165404, 330808, 537563, 785669, 1075126, 1571338, 2150252, 3142676, 4300504, 6285352, 10213697, 20427394, 40854788, 81709576]

約数ペア:

[(1, 81709576), (2, 40854788), (4, 20427394), (8, 10213697), (13, 6285352), (19, 4300504), (26, 3142676), (38, 2150252), (52, 1571338), (76, 1075126), (104, 785669), (152, 537563), (247, 330808), (494, 165404), (988, 82702), (1976, 41351)]