856508744

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{27361}}^1$

素因数の和:27430

約数の個数: 64

約数和(自身を含む): 2022599040

約数和(自身を除く): 1166090296

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 728, 1118, 1204, 2236, 2408, 3913, 4472, 7826, 15652, 27361, 31304, 54722, 109444, 191527, 218888, 355693, 383054, 711386, 766108, 1176523, 1422772, 1532216, 2353046, 2489851, 2845544, 4706092, 4979702, 8235661, 9412184, 9959404, 15294799, 16471322, 19918808, 30589598, 32942644, 61179196, 65885288, 107063593, 122358392, 214127186, 428254372, 856508744]

約数ペア:

[(1, 856508744), (2, 428254372), (4, 214127186), (7, 122358392), (8, 107063593), (13, 65885288), (14, 61179196), (26, 32942644), (28, 30589598), (43, 19918808), (52, 16471322), (56, 15294799), (86, 9959404), (91, 9412184), (104, 8235661), (172, 4979702), (182, 4706092), (301, 2845544), (344, 2489851), (364, 2353046), (559, 1532216), (602, 1422772), (728, 1176523), (1118, 766108), (1204, 711386), (2236, 383054), (2408, 355693), (3913, 218888), (4472, 191527), (7826, 109444), (15652, 54722), (27361, 31304)]