208889254

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 375819696

約数和(自身を除く): 166930442

約数列:

[1, 2, 7, 14, 49, 61, 83, 98, 122, 166, 421, 427, 581, 842, 854, 1162, 2947, 2989, 4067, 5063, 5894, 5978, 8134, 10126, 20629, 25681, 34943, 35441, 41258, 51362, 69886, 70882, 179767, 244601, 248087, 359534, 489202, 496174, 1258369, 1712207, 2131523, 2516738, 3424414, 4263046, 14920661, 29841322, 104444627, 208889254]

約数ペア:

[(1, 208889254), (2, 104444627), (7, 29841322), (14, 14920661), (49, 4263046), (61, 3424414), (83, 2516738), (98, 2131523), (122, 1712207), (166, 1258369), (421, 496174), (427, 489202), (581, 359534), (842, 248087), (854, 244601), (1162, 179767), (2947, 70882), (2989, 69886), (4067, 51362), (5063, 41258), (5894, 35441), (5978, 34943), (8134, 25681), (10126, 20629)]