81004872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{259631}}^1$

素因数の和:259653

約数の個数: 32

約数和(自身を含む): 218090880

約数和(自身を除く): 137086008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 259631, 519262, 778893, 1038524, 1557786, 2077048, 3115572, 3375203, 6231144, 6750406, 10125609, 13500812, 20251218, 27001624, 40502436, 81004872]

約数ペア:

[(1, 81004872), (2, 40502436), (3, 27001624), (4, 20251218), (6, 13500812), (8, 10125609), (12, 6750406), (13, 6231144), (24, 3375203), (26, 3115572), (39, 2077048), (52, 1557786), (78, 1038524), (104, 778893), (156, 519262), (312, 259631)]