39995878

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:760

約数の個数: 24

約数和(自身を含む): 65366136

約数和(自身を除く): 25370258

約数列:

[1, 2, 13, 26, 169, 241, 338, 482, 491, 982, 3133, 6266, 6383, 12766, 40729, 81458, 82979, 118331, 165958, 236662, 1538303, 3076606, 19997939, 39995878]

約数ペア:

[(1, 39995878), (2, 19997939), (13, 3076606), (26, 1538303), (169, 236662), (241, 165958), (338, 118331), (482, 82979), (491, 81458), (982, 40729), (3133, 12766), (6266, 6383)]