201781622

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 376012800

約数和(自身を除く): 174231178

約数列:

[1, 2, 7, 14, 23, 46, 47, 67, 94, 134, 161, 199, 322, 329, 398, 469, 658, 938, 1081, 1393, 1541, 2162, 2786, 3082, 3149, 4577, 6298, 7567, 9154, 9353, 10787, 13333, 15134, 18706, 21574, 22043, 26666, 32039, 44086, 64078, 65471, 72427, 93331, 130942, 144854, 186662, 215119, 306659, 430238, 506989, 613318, 626651, 1013978, 1253302, 1505833, 2146613, 3011666, 4293226, 4386557, 8773114, 14412973, 28825946, 100890811, 201781622]

約数ペア:

[(1, 201781622), (2, 100890811), (7, 28825946), (14, 14412973), (23, 8773114), (46, 4386557), (47, 4293226), (67, 3011666), (94, 2146613), (134, 1505833), (161, 1253302), (199, 1013978), (322, 626651), (329, 613318), (398, 506989), (469, 430238), (658, 306659), (938, 215119), (1081, 186662), (1393, 144854), (1541, 130942), (2162, 93331), (2786, 72427), (3082, 65471), (3149, 64078), (4577, 44086), (6298, 32039), (7567, 26666), (9154, 22043), (9353, 21574), (10787, 18706), (13333, 15134)]