787236498

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{1861}}^1$

素因数の和:2271

約数の個数: 48

約数和(自身を含む): 1735860672

約数和(自身を除く): 948624174

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 331, 426, 639, 662, 993, 1278, 1861, 1986, 2979, 3722, 5583, 5958, 11166, 16749, 23501, 33498, 47002, 70503, 132131, 141006, 211509, 264262, 396393, 423018, 615991, 792786, 1189179, 1231982, 1847973, 2378358, 3695946, 5543919, 11087838, 43735361, 87470722, 131206083, 262412166, 393618249, 787236498]

約数ペア:

[(1, 787236498), (2, 393618249), (3, 262412166), (6, 131206083), (9, 87470722), (18, 43735361), (71, 11087838), (142, 5543919), (213, 3695946), (331, 2378358), (426, 1847973), (639, 1231982), (662, 1189179), (993, 792786), (1278, 615991), (1861, 423018), (1986, 396393), (2979, 264262), (3722, 211509), (5583, 141006), (5958, 132131), (11166, 70503), (16749, 47002), (23501, 33498)]