538907551

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{3853}}^1$

素因数の和:3955

約数の個数: 32

約数和(自身を含む): 699269760

約数和(自身を除く): 160362209

約数列:

[1, 7, 13, 29, 53, 91, 203, 371, 377, 689, 1537, 2639, 3853, 4823, 10759, 19981, 26971, 50089, 111737, 139867, 204209, 350623, 782159, 1429463, 1452581, 2654717, 5922061, 10168067, 18583019, 41454427, 76986793, 538907551]

約数ペア:

[(1, 538907551), (7, 76986793), (13, 41454427), (29, 18583019), (53, 10168067), (91, 5922061), (203, 2654717), (371, 1452581), (377, 1429463), (689, 782159), (1537, 350623), (2639, 204209), (3853, 139867), (4823, 111737), (10759, 50089), (19981, 26971)]