253409618

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 489259008

約数和(自身を除く): 235849390

約数列:

[1, 2, 7, 11, 14, 22, 47, 77, 94, 154, 157, 223, 314, 329, 446, 517, 658, 1034, 1099, 1561, 1727, 2198, 2453, 3122, 3454, 3619, 4906, 7238, 7379, 10481, 12089, 14758, 17171, 20962, 24178, 34342, 35011, 51653, 70022, 73367, 81169, 103306, 115291, 146734, 162338, 230582, 245077, 385121, 490154, 568183, 770242, 807037, 1136366, 1614074, 1645517, 2695847, 3291034, 5391694, 11518619, 18100687, 23037238, 36201374, 126704809, 253409618]

約数ペア:

[(1, 253409618), (2, 126704809), (7, 36201374), (11, 23037238), (14, 18100687), (22, 11518619), (47, 5391694), (77, 3291034), (94, 2695847), (154, 1645517), (157, 1614074), (223, 1136366), (314, 807037), (329, 770242), (446, 568183), (517, 490154), (658, 385121), (1034, 245077), (1099, 230582), (1561, 162338), (1727, 146734), (2198, 115291), (2453, 103306), (3122, 81169), (3454, 73367), (3619, 70022), (4906, 51653), (7238, 35011), (7379, 34342), (10481, 24178), (12089, 20962), (14758, 17171)]