15664172

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{971}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 28440720

約数和(自身を除く): 12776548

約数列:

[1, 2, 4, 37, 74, 109, 148, 218, 436, 971, 1942, 3884, 4033, 8066, 16132, 35927, 71854, 105839, 143708, 211678, 423356, 3916043, 7832086, 15664172]

約数ペア:

[(1, 15664172), (2, 7832086), (4, 3916043), (37, 423356), (74, 211678), (109, 143708), (148, 105839), (218, 71854), (436, 35927), (971, 16132), (1942, 8066), (3884, 4033)]