1557651564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{21997}}^1$

素因数の和:22295

約数の個数: 72

約数和(自身を含む): 4516101408

約数和(自身を除く): 2958449844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 281, 562, 843, 1124, 1686, 1967, 2529, 3372, 3934, 5058, 5901, 7868, 10116, 11802, 17703, 21997, 23604, 35406, 43994, 65991, 70812, 87988, 131982, 153979, 197973, 263964, 307958, 395946, 461937, 615916, 791892, 923874, 1385811, 1847748, 2771622, 5543244, 6181157, 12362314, 18543471, 24724628, 37086942, 43268099, 55630413, 74173884, 86536198, 111260826, 129804297, 173072396, 222521652, 259608594, 389412891, 519217188, 778825782, 1557651564]

約数ペア:

[(1, 1557651564), (2, 778825782), (3, 519217188), (4, 389412891), (6, 259608594), (7, 222521652), (9, 173072396), (12, 129804297), (14, 111260826), (18, 86536198), (21, 74173884), (28, 55630413), (36, 43268099), (42, 37086942), (63, 24724628), (84, 18543471), (126, 12362314), (252, 6181157), (281, 5543244), (562, 2771622), (843, 1847748), (1124, 1385811), (1686, 923874), (1967, 791892), (2529, 615916), (3372, 461937), (3934, 395946), (5058, 307958), (5901, 263964), (7868, 197973), (10116, 153979), (11802, 131982), (17703, 87988), (21997, 70812), (23604, 65991), (35406, 43994)]