64764917

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{383}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 82944000

約数和(自身を除く): 18179083

約数列:

[1, 7, 17, 29, 49, 119, 203, 343, 383, 493, 833, 1421, 2681, 3451, 5831, 6511, 9947, 11107, 18767, 24157, 45577, 77749, 131369, 169099, 188819, 319039, 544243, 1321733, 2233273, 3809701, 9252131, 64764917]

約数ペア:

[(1, 64764917), (7, 9252131), (17, 3809701), (29, 2233273), (49, 1321733), (119, 544243), (203, 319039), (343, 188819), (383, 169099), (493, 131369), (833, 77749), (1421, 45577), (2681, 24157), (3451, 18767), (5831, 11107), (6511, 9947)]