72861776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{809}}^1$

素因数の和:1263

約数の個数: 40

約数和(自身を含む): 152568360

約数和(自身を除く): 79706584

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 433, 809, 866, 1618, 1732, 3236, 3464, 5629, 6472, 6928, 10517, 11258, 12944, 21034, 22516, 42068, 45032, 84136, 90064, 168272, 350297, 700594, 1401188, 2802376, 4553861, 5604752, 9107722, 18215444, 36430888, 72861776]

約数ペア:

[(1, 72861776), (2, 36430888), (4, 18215444), (8, 9107722), (13, 5604752), (16, 4553861), (26, 2802376), (52, 1401188), (104, 700594), (208, 350297), (433, 168272), (809, 90064), (866, 84136), (1618, 45032), (1732, 42068), (3236, 22516), (3464, 21034), (5629, 12944), (6472, 11258), (6928, 10517)]