1277951608

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{47699}}^1$

素因数の和:47919

約数の個数: 32

約数和(自身を含む): 2550042000

約数和(自身を除く): 1272090392

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 197, 394, 788, 1576, 3349, 6698, 13396, 26792, 47699, 95398, 190796, 381592, 810883, 1621766, 3243532, 6487064, 9396703, 18793406, 37586812, 75173624, 159743951, 319487902, 638975804, 1277951608]

約数ペア:

[(1, 1277951608), (2, 638975804), (4, 319487902), (8, 159743951), (17, 75173624), (34, 37586812), (68, 18793406), (136, 9396703), (197, 6487064), (394, 3243532), (788, 1621766), (1576, 810883), (3349, 381592), (6698, 190796), (13396, 95398), (26792, 47699)]