8128912.00000000

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 111283200

約数和(自身を除く): 17921399

約数列:

[1, 13, 19, 31, 89, 137, 247, 403, 589, 1157, 1691, 1781, 2603, 2759, 4247, 7657, 12193, 21983, 33839, 35867, 52421, 55211, 80693, 158509, 231667, 377983, 681473, 1049009, 3011671, 4913779, 7181677, 93361801]

約数ペア:

[(1, 93361801), (13, 7181677), (19, 4913779), (31, 3011671), (89, 1049009), (137, 681473), (247, 377983), (403, 231667), (589, 158509), (1157, 80693), (1691, 55211), (1781, 52421), (2603, 35867), (2759, 33839), (4247, 21983), (7657, 12193)]