1387342456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{39857}}^1$

素因数の和:40111

約数の個数: 32

約数和(自身を含む): 2750202000

約数和(自身を除く): 1362859544

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 229, 458, 916, 1832, 4351, 8702, 17404, 34808, 39857, 79714, 159428, 318856, 757283, 1514566, 3029132, 6058264, 9127253, 18254506, 36509012, 73018024, 173417807, 346835614, 693671228, 1387342456]

約数ペア:

[(1, 1387342456), (2, 693671228), (4, 346835614), (8, 173417807), (19, 73018024), (38, 36509012), (76, 18254506), (152, 9127253), (229, 6058264), (458, 3029132), (916, 1514566), (1832, 757283), (4351, 318856), (8702, 159428), (17404, 79714), (34808, 39857)]