381882488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{20287}}^1$

素因数の和:20487

約数の個数: 32

約数和(自身を含む): 775407360

約数和(自身を除く): 393524872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1448, 2353, 4706, 9412, 18824, 20287, 40574, 81148, 162296, 263731, 527462, 1054924, 2109848, 3671947, 7343894, 14687788, 29375576, 47735311, 95470622, 190941244, 381882488]

約数ペア:

[(1, 381882488), (2, 190941244), (4, 95470622), (8, 47735311), (13, 29375576), (26, 14687788), (52, 7343894), (104, 3671947), (181, 2109848), (362, 1054924), (724, 527462), (1448, 263731), (2353, 162296), (4706, 81148), (9412, 40574), (18824, 20287)]