688540216

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{4801}}^1$

素因数の和:5024

約数の個数: 64

約数和(自身を含む): 1597337280

約数和(自身を除く): 908797064

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 197, 364, 394, 728, 788, 1379, 1576, 2561, 2758, 4801, 5122, 5516, 9602, 10244, 11032, 17927, 19204, 20488, 33607, 35854, 38408, 62413, 67214, 71708, 124826, 134428, 143416, 249652, 268856, 436891, 499304, 873782, 945797, 1747564, 1891594, 3495128, 3783188, 6620579, 7566376, 12295361, 13241158, 24590722, 26482316, 49181444, 52964632, 86067527, 98362888, 172135054, 344270108, 688540216]

約数ペア:

[(1, 688540216), (2, 344270108), (4, 172135054), (7, 98362888), (8, 86067527), (13, 52964632), (14, 49181444), (26, 26482316), (28, 24590722), (52, 13241158), (56, 12295361), (91, 7566376), (104, 6620579), (182, 3783188), (197, 3495128), (364, 1891594), (394, 1747564), (728, 945797), (788, 873782), (1379, 499304), (1576, 436891), (2561, 268856), (2758, 249652), (4801, 143416), (5122, 134428), (5516, 124826), (9602, 71708), (10244, 67214), (11032, 62413), (17927, 38408), (19204, 35854), (20488, 33607)]