81819998

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{3613}}^1$

素因数の和:3708

約数の個数: 24

約数和(自身を含む): 134917848

約数和(自身を除く): 53097850

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 1742, 3613, 7226, 11323, 22646, 46969, 93938, 242071, 484142, 610597, 1221194, 3146923, 6293846, 40909999, 81819998]

約数ペア:

[(1, 81819998), (2, 40909999), (13, 6293846), (26, 3146923), (67, 1221194), (134, 610597), (169, 484142), (338, 242071), (871, 93938), (1742, 46969), (3613, 22646), (7226, 11323)]