213218390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{276907}}^1$

素因数の和:276932

約数の個数: 32

約数和(自身を含む): 478497024

約数和(自身を除く): 265278634

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 276907, 553814, 1384535, 1938349, 2769070, 3045977, 3876698, 6091954, 9691745, 15229885, 19383490, 21321839, 30459770, 42643678, 106609195, 213218390]

約数ペア:

[(1, 213218390), (2, 106609195), (5, 42643678), (7, 30459770), (10, 21321839), (11, 19383490), (14, 15229885), (22, 9691745), (35, 6091954), (55, 3876698), (70, 3045977), (77, 2769070), (110, 1938349), (154, 1384535), (385, 553814), (770, 276907)]