420217854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{78781}}^1$

素因数の和:78920

約数の個数: 32

約数和(自身を含む): 968073216

約数和(自身を除く): 547855362

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 5334, 78781, 157562, 236343, 472686, 551467, 1102934, 1654401, 3308802, 10005187, 20010374, 30015561, 60031122, 70036309, 140072618, 210108927, 420217854]

約数ペア:

[(1, 420217854), (2, 210108927), (3, 140072618), (6, 70036309), (7, 60031122), (14, 30015561), (21, 20010374), (42, 10005187), (127, 3308802), (254, 1654401), (381, 1102934), (762, 551467), (889, 472686), (1778, 236343), (2667, 157562), (5334, 78781)]