728117.0000000

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 20643840

約数和(自身を除く): 12137874

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 47, 62, 93, 94, 139, 141, 186, 217, 278, 282, 329, 417, 434, 651, 658, 834, 973, 987, 1302, 1457, 1946, 1974, 2914, 2919, 4309, 4371, 5838, 6533, 8618, 8742, 10199, 12927, 13066, 19599, 20398, 25854, 30163, 30597, 39198, 45731, 60326, 61194, 90489, 91462, 137193, 180978, 202523, 274386, 405046, 607569, 1215138, 1417661, 2835322, 4252983, 8505966]

約数ペア:

[(1, 8505966), (2, 4252983), (3, 2835322), (6, 1417661), (7, 1215138), (14, 607569), (21, 405046), (31, 274386), (42, 202523), (47, 180978), (62, 137193), (93, 91462), (94, 90489), (139, 61194), (141, 60326), (186, 45731), (217, 39198), (278, 30597), (282, 30163), (329, 25854), (417, 20398), (434, 19599), (651, 13066), (658, 12927), (834, 10199), (973, 8742), (987, 8618), (1302, 6533), (1457, 5838), (1946, 4371), (1974, 4309), (2914, 2919)]