388645959

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{947}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 592462080

約数和(自身を除く): 203816121

約数列:

[1, 3, 13, 17, 39, 51, 221, 619, 663, 947, 1857, 2841, 8047, 10523, 12311, 16099, 24141, 31569, 36933, 48297, 136799, 209287, 410397, 586193, 627861, 1758579, 7620509, 9965281, 22861527, 29895843, 129548653, 388645959]

約数ペア:

[(1, 388645959), (3, 129548653), (13, 29895843), (17, 22861527), (39, 9965281), (51, 7620509), (221, 1758579), (619, 627861), (663, 586193), (947, 410397), (1857, 209287), (2841, 136799), (8047, 48297), (10523, 36933), (12311, 31569), (16099, 24141)]