820456

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:63

約数の個数: 64

約数和(自身を含む): 2016000

約数和(自身を除く): 1195544

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 49, 52, 56, 91, 92, 98, 104, 161, 182, 184, 196, 299, 322, 343, 364, 392, 598, 637, 644, 686, 728, 1127, 1196, 1274, 1288, 1372, 2093, 2254, 2392, 2548, 2744, 4186, 4459, 4508, 5096, 7889, 8372, 8918, 9016, 14651, 15778, 16744, 17836, 29302, 31556, 35672, 58604, 63112, 102557, 117208, 205114, 410228, 820456]

約数ペア:

[(1, 820456), (2, 410228), (4, 205114), (7, 117208), (8, 102557), (13, 63112), (14, 58604), (23, 35672), (26, 31556), (28, 29302), (46, 17836), (49, 16744), (52, 15778), (56, 14651), (91, 9016), (92, 8918), (98, 8372), (104, 7889), (161, 5096), (182, 4508), (184, 4459), (196, 4186), (299, 2744), (322, 2548), (343, 2392), (364, 2254), (392, 2093), (598, 1372), (637, 1288), (644, 1274), (686, 1196), (728, 1127)]