16801390

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1044

約数の個数: 32

約数和(自身を含む): 31733856

約数和(自身を除く): 14932466

約数列:

[1, 2, 5, 10, 41, 43, 82, 86, 205, 215, 410, 430, 953, 1763, 1906, 3526, 4765, 8815, 9530, 17630, 39073, 40979, 78146, 81958, 195365, 204895, 390730, 409790, 1680139, 3360278, 8400695, 16801390]

約数ペア:

[(1, 16801390), (2, 8400695), (5, 3360278), (10, 1680139), (41, 409790), (43, 390730), (82, 204895), (86, 195365), (205, 81958), (215, 78146), (410, 40979), (430, 39073), (953, 17630), (1763, 9530), (1906, 8815), (3526, 4765)]