1387431070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{128347}}^1$

素因数の和:128424

約数の個数: 32

約数和(自身を含む): 2661424128

約数和(自身を除く): 1273993058

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2162, 5405, 10810, 128347, 256694, 641735, 1283470, 2951981, 5903962, 6032309, 12064618, 14759905, 29519810, 30161545, 60323090, 138743107, 277486214, 693715535, 1387431070]

約数ペア:

[(1, 1387431070), (2, 693715535), (5, 277486214), (10, 138743107), (23, 60323090), (46, 30161545), (47, 29519810), (94, 14759905), (115, 12064618), (230, 6032309), (235, 5903962), (470, 2951981), (1081, 1283470), (2162, 641735), (5405, 256694), (10810, 128347)]