397215952

素因数分解:

$2^4\times 7^3\times {\mathrm{72379}}^1$

素因数の和:72408

約数の個数: 40

約数和(自身を含む): 897512000

約数和(自身を除く): 500296048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 72379, 144758, 289516, 506653, 579032, 1013306, 1158064, 2026612, 3546571, 4053224, 7093142, 8106448, 14186284, 24825997, 28372568, 49651994, 56745136, 99303988, 198607976, 397215952]

約数ペア:

[(1, 397215952), (2, 198607976), (4, 99303988), (7, 56745136), (8, 49651994), (14, 28372568), (16, 24825997), (28, 14186284), (49, 8106448), (56, 7093142), (98, 4053224), (112, 3546571), (196, 2026612), (343, 1158064), (392, 1013306), (686, 579032), (784, 506653), (1372, 289516), (2744, 144758), (5488, 72379)]