278340516

素因数分解:

$2^2\times 3^3\times {\mathrm{401}}^1\times {\mathrm{6427}}^1$

素因数の和:6841

約数の個数: 48

約数和(自身を含む): 723535680

約数和(自身を除く): 445195164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 401, 802, 1203, 1604, 2406, 3609, 4812, 6427, 7218, 10827, 12854, 14436, 19281, 21654, 25708, 38562, 43308, 57843, 77124, 115686, 173529, 231372, 347058, 694116, 2577227, 5154454, 7731681, 10308908, 15463362, 23195043, 30926724, 46390086, 69585129, 92780172, 139170258, 278340516]

約数ペア:

[(1, 278340516), (2, 139170258), (3, 92780172), (4, 69585129), (6, 46390086), (9, 30926724), (12, 23195043), (18, 15463362), (27, 10308908), (36, 7731681), (54, 5154454), (108, 2577227), (401, 694116), (802, 347058), (1203, 231372), (1604, 173529), (2406, 115686), (3609, 77124), (4812, 57843), (6427, 43308), (7218, 38562), (10827, 25708), (12854, 21654), (14436, 19281)]