397499568

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{192587}}^1$

素因数の和:192641

約数の個数: 40

約数和(自身を含む): 1050760128

約数和(自身を除く): 653260560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 192587, 385174, 577761, 770348, 1155522, 1540696, 2311044, 3081392, 4622088, 8281241, 9244176, 16562482, 24843723, 33124964, 49687446, 66249928, 99374892, 132499856, 198749784, 397499568]

約数ペア:

[(1, 397499568), (2, 198749784), (3, 132499856), (4, 99374892), (6, 66249928), (8, 49687446), (12, 33124964), (16, 24843723), (24, 16562482), (43, 9244176), (48, 8281241), (86, 4622088), (129, 3081392), (172, 2311044), (258, 1540696), (344, 1155522), (516, 770348), (688, 577761), (1032, 385174), (2064, 192587)]