401047664

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{258407}}^1$

素因数の和:258512

約数の個数: 20

約数和(自身を含む): 785043504

約数和(自身を除く): 383995840

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 258407, 516814, 1033628, 2067256, 4134512, 25065479, 50130958, 100261916, 200523832, 401047664]

約数ペア:

[(1, 401047664), (2, 200523832), (4, 100261916), (8, 50130958), (16, 25065479), (97, 4134512), (194, 2067256), (388, 1033628), (776, 516814), (1552, 258407)]