257008304

素因数分解:

$2^4\times 7^1\times {\mathrm{863}}^1\times {\mathrm{2659}}^1$

素因数の和:3537

約数の個数: 40

約数和(自身を含む): 569963520

約数和(自身を除く): 312955216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 863, 1726, 2659, 3452, 5318, 6041, 6904, 10636, 12082, 13808, 18613, 21272, 24164, 37226, 42544, 48328, 74452, 96656, 148904, 297808, 2294717, 4589434, 9178868, 16063019, 18357736, 32126038, 36715472, 64252076, 128504152, 257008304]

約数ペア:

[(1, 257008304), (2, 128504152), (4, 64252076), (7, 36715472), (8, 32126038), (14, 18357736), (16, 16063019), (28, 9178868), (56, 4589434), (112, 2294717), (863, 297808), (1726, 148904), (2659, 96656), (3452, 74452), (5318, 48328), (6041, 42544), (6904, 37226), (10636, 24164), (12082, 21272), (13808, 18613)]