219731057

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1571}}^1$

素因数の和:1673

約数の個数: 32

約数和(自身を含む): 285223680

約数和(自身を除く): 65492623

約数列:

[1, 7, 13, 29, 53, 91, 203, 371, 377, 689, 1537, 1571, 2639, 4823, 10759, 10997, 19981, 20423, 45559, 83263, 139867, 142961, 318913, 582841, 592267, 1082419, 2414627, 4145869, 7576933, 16902389, 31390151, 219731057]

約数ペア:

[(1, 219731057), (7, 31390151), (13, 16902389), (29, 7576933), (53, 4145869), (91, 2414627), (203, 1082419), (371, 592267), (377, 582841), (689, 318913), (1537, 142961), (1571, 139867), (2639, 83263), (4823, 45559), (10759, 20423), (10997, 19981)]