31849090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1187

約数の個数: 64

約数和(自身を含む): 72898560

約数和(自身を除く): 41049470

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 1129, 2015, 2170, 2258, 2821, 4030, 5642, 5645, 7903, 11290, 14105, 14677, 15806, 28210, 29354, 34999, 39515, 69998, 73385, 79030, 102739, 146770, 174995, 205478, 244993, 349990, 454987, 489986, 513695, 909974, 1027390, 1224965, 2274935, 2449930, 3184909, 4549870, 6369818, 15924545, 31849090]

約数ペア:

[(1, 31849090), (2, 15924545), (5, 6369818), (7, 4549870), (10, 3184909), (13, 2449930), (14, 2274935), (26, 1224965), (31, 1027390), (35, 909974), (62, 513695), (65, 489986), (70, 454987), (91, 349990), (130, 244993), (155, 205478), (182, 174995), (217, 146770), (310, 102739), (403, 79030), (434, 73385), (455, 69998), (806, 39515), (910, 34999), (1085, 29354), (1129, 28210), (2015, 15806), (2170, 14677), (2258, 14105), (2821, 11290), (4030, 7903), (5642, 5645)]