256659655

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1667}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 363170304

約数和(自身を除く): 106510649

約数列:

[1, 5, 7, 35, 53, 83, 265, 371, 415, 581, 1667, 1855, 2905, 4399, 8335, 11669, 21995, 30793, 58345, 88351, 138361, 153965, 441755, 618457, 691805, 968527, 3092285, 4842635, 7333133, 36665665, 51331931, 256659655]

約数ペア:

[(1, 256659655), (5, 51331931), (7, 36665665), (35, 7333133), (53, 4842635), (83, 3092285), (265, 968527), (371, 691805), (415, 618457), (581, 441755), (1667, 153965), (1855, 138361), (2905, 88351), (4399, 58345), (8335, 30793), (11669, 21995)]