15691901897

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1\times {\mathrm{821}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 18480559104

約数和(自身を除く): 2788657207

約数列:

[1, 7, 67, 83, 469, 491, 581, 821, 3437, 5561, 5747, 32897, 38927, 40753, 55007, 68143, 230279, 285271, 385049, 403111, 477001, 2730451, 2821777, 4565581, 19113157, 27008437, 31959067, 33458213, 189059059, 234207491, 2241700271, 15691901897]

約数ペア:

[(1, 15691901897), (7, 2241700271), (67, 234207491), (83, 189059059), (469, 33458213), (491, 31959067), (581, 27008437), (821, 19113157), (3437, 4565581), (5561, 2821777), (5747, 2730451), (32897, 477001), (38927, 403111), (40753, 385049), (55007, 285271), (68143, 230279)]