721168

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 1642752

約数和(自身を除く): 921584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 137, 188, 274, 329, 376, 548, 658, 752, 959, 1096, 1316, 1918, 2192, 2632, 3836, 5264, 6439, 7672, 12878, 15344, 25756, 45073, 51512, 90146, 103024, 180292, 360584, 721168]

約数ペア:

[(1, 721168), (2, 360584), (4, 180292), (7, 103024), (8, 90146), (14, 51512), (16, 45073), (28, 25756), (47, 15344), (56, 12878), (94, 7672), (112, 6439), (137, 5264), (188, 3836), (274, 2632), (329, 2192), (376, 1918), (548, 1316), (658, 1096), (752, 959)]