661551254

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 96

約数和(自身を含む): 1315512576

約数和(自身を除く): 653961322

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 91, 98, 107, 161, 182, 211, 214, 299, 322, 422, 598, 637, 749, 1127, 1274, 1391, 1477, 1498, 2093, 2254, 2461, 2743, 2782, 2954, 4186, 4853, 4922, 5243, 5486, 9706, 9737, 10339, 10486, 14651, 17227, 19201, 19474, 20678, 22577, 29302, 31993, 33971, 34454, 38402, 45154, 63089, 63986, 67942, 68159, 120589, 126178, 134407, 136318, 158039, 223951, 237797, 241178, 268814, 293501, 316078, 441623, 447902, 475594, 519271, 587002, 883246, 1038542, 1106273, 1567657, 2054507, 2212546, 3091361, 3135314, 3634897, 4109014, 6182722, 6750523, 7269794, 13501046, 14381549, 25444279, 28763098, 47253661, 50888558, 94507322, 330775627, 661551254]

約数ペア:

[(1, 661551254), (2, 330775627), (7, 94507322), (13, 50888558), (14, 47253661), (23, 28763098), (26, 25444279), (46, 14381549), (49, 13501046), (91, 7269794), (98, 6750523), (107, 6182722), (161, 4109014), (182, 3634897), (211, 3135314), (214, 3091361), (299, 2212546), (322, 2054507), (422, 1567657), (598, 1106273), (637, 1038542), (749, 883246), (1127, 587002), (1274, 519271), (1391, 475594), (1477, 447902), (1498, 441623), (2093, 316078), (2254, 293501), (2461, 268814), (2743, 241178), (2782, 237797), (2954, 223951), (4186, 158039), (4853, 136318), (4922, 134407), (5243, 126178), (5486, 120589), (9706, 68159), (9737, 67942), (10339, 63986), (10486, 63089), (14651, 45154), (17227, 38402), (19201, 34454), (19474, 33971), (20678, 31993), (22577, 29302)]