217421904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{8191}}^1$

素因数の和:8288

約数の個数: 80

約数和(自身を含む): 650117120

約数和(自身を除く): 432695216

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 79, 84, 112, 158, 168, 237, 316, 336, 474, 553, 632, 948, 1106, 1264, 1659, 1896, 2212, 3318, 3792, 4424, 6636, 8191, 8848, 13272, 16382, 24573, 26544, 32764, 49146, 57337, 65528, 98292, 114674, 131056, 172011, 196584, 229348, 344022, 393168, 458696, 647089, 688044, 917392, 1294178, 1376088, 1941267, 2588356, 2752176, 3882534, 4529623, 5176712, 7765068, 9059246, 10353424, 13588869, 15530136, 18118492, 27177738, 31060272, 36236984, 54355476, 72473968, 108710952, 217421904]

約数ペア:

[(1, 217421904), (2, 108710952), (3, 72473968), (4, 54355476), (6, 36236984), (7, 31060272), (8, 27177738), (12, 18118492), (14, 15530136), (16, 13588869), (21, 10353424), (24, 9059246), (28, 7765068), (42, 5176712), (48, 4529623), (56, 3882534), (79, 2752176), (84, 2588356), (112, 1941267), (158, 1376088), (168, 1294178), (237, 917392), (316, 688044), (336, 647089), (474, 458696), (553, 393168), (632, 344022), (948, 229348), (1106, 196584), (1264, 172011), (1659, 131056), (1896, 114674), (2212, 98292), (3318, 65528), (3792, 57337), (4424, 49146), (6636, 32764), (8191, 26544), (8848, 24573), (13272, 16382)]