28980944

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 57600480

約数和(自身を除く): 28619536

約数列:

[1, 2, 4, 8, 16, 83, 139, 157, 166, 278, 314, 332, 556, 628, 664, 1112, 1256, 1328, 2224, 2512, 11537, 13031, 21823, 23074, 26062, 43646, 46148, 52124, 87292, 92296, 104248, 174584, 184592, 208496, 349168, 1811309, 3622618, 7245236, 14490472, 28980944]

約数ペア:

[(1, 28980944), (2, 14490472), (4, 7245236), (8, 3622618), (16, 1811309), (83, 349168), (139, 208496), (157, 184592), (166, 174584), (278, 104248), (314, 92296), (332, 87292), (556, 52124), (628, 46148), (664, 43646), (1112, 26062), (1256, 23074), (1328, 21823), (2224, 13031), (2512, 11537)]