289657706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{907}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 477767808

約数和(自身を除く): 188110102

約数列:

[1, 2, 13, 26, 71, 142, 173, 346, 907, 923, 1814, 1846, 2249, 4498, 11791, 12283, 23582, 24566, 64397, 128794, 156911, 159679, 313822, 319358, 837161, 1674322, 2039843, 4079686, 11140681, 22281362, 144828853, 289657706]

約数ペア:

[(1, 289657706), (2, 144828853), (13, 22281362), (26, 11140681), (71, 4079686), (142, 2039843), (173, 1674322), (346, 837161), (907, 319358), (923, 313822), (1814, 159679), (1846, 156911), (2249, 128794), (4498, 64397), (11791, 24566), (12283, 23582)]