128512664

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 283944960

約数和(自身を除く): 155432296

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 157, 188, 311, 314, 329, 376, 622, 628, 658, 1099, 1244, 1256, 1316, 2177, 2198, 2488, 2632, 4354, 4396, 7379, 8708, 8792, 14617, 14758, 17416, 29234, 29516, 48827, 51653, 58468, 59032, 97654, 102319, 103306, 116936, 195308, 204638, 206612, 341789, 390616, 409276, 413224, 683578, 818552, 1367156, 2294869, 2734312, 4589738, 9179476, 16064083, 18358952, 32128166, 64256332, 128512664]

約数ペア:

[(1, 128512664), (2, 64256332), (4, 32128166), (7, 18358952), (8, 16064083), (14, 9179476), (28, 4589738), (47, 2734312), (56, 2294869), (94, 1367156), (157, 818552), (188, 683578), (311, 413224), (314, 409276), (329, 390616), (376, 341789), (622, 206612), (628, 204638), (658, 195308), (1099, 116936), (1244, 103306), (1256, 102319), (1316, 97654), (2177, 59032), (2198, 58468), (2488, 51653), (2632, 48827), (4354, 29516), (4396, 29234), (7379, 17416), (8708, 14758), (8792, 14617)]