643323230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{42689}}^1$

素因数の和:42844

約数の個数: 32

約数和(自身を含む): 1272503520

約数和(自身を除く): 629180290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 274, 685, 1370, 1507, 3014, 7535, 15070, 42689, 85378, 213445, 426890, 469579, 939158, 2347895, 4695790, 5848393, 11696786, 29241965, 58483930, 64332323, 128664646, 321661615, 643323230]

約数ペア:

[(1, 643323230), (2, 321661615), (5, 128664646), (10, 64332323), (11, 58483930), (22, 29241965), (55, 11696786), (110, 5848393), (137, 4695790), (274, 2347895), (685, 939158), (1370, 469579), (1507, 426890), (3014, 213445), (7535, 85378), (15070, 42689)]