7780386

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 16531200

約数和(自身を除く): 8750814

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 139, 278, 417, 491, 834, 982, 1473, 2641, 2946, 5282, 7923, 9329, 15846, 18658, 27987, 55974, 68249, 136498, 204747, 409494, 1296731, 2593462, 3890193, 7780386]

約数ペア:

[(1, 7780386), (2, 3890193), (3, 2593462), (6, 1296731), (19, 409494), (38, 204747), (57, 136498), (114, 68249), (139, 55974), (278, 27987), (417, 18658), (491, 15846), (834, 9329), (982, 7923), (1473, 5282), (2641, 2946)]