261540282

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{5323}}^1$

素因数の和:5778

約数の個数: 32

約数和(自身を含む): 551992320

約数和(自身を除く): 290452038

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 431, 862, 1293, 2586, 5323, 8189, 10646, 15969, 16378, 24567, 31938, 49134, 101137, 202274, 303411, 606822, 2294213, 4588426, 6882639, 13765278, 43590047, 87180094, 130770141, 261540282]

約数ペア:

[(1, 261540282), (2, 130770141), (3, 87180094), (6, 43590047), (19, 13765278), (38, 6882639), (57, 4588426), (114, 2294213), (431, 606822), (862, 303411), (1293, 202274), (2586, 101137), (5323, 49134), (8189, 31938), (10646, 24567), (15969, 16378)]