15678618949

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{21017}}^1$

素因数の和:21193

約数の個数: 32

約数和(自身を含む): 19370188800

約数和(自身を除く): 3691569851

約数列:

[1, 7, 19, 71, 79, 133, 497, 553, 1349, 1501, 5609, 9443, 10507, 21017, 39263, 106571, 147119, 399323, 745997, 1492207, 1660343, 2795261, 10445449, 11622401, 28351933, 31546517, 117884353, 198463531, 220825619, 825190471, 2239802707, 15678618949]

約数ペア:

[(1, 15678618949), (7, 2239802707), (19, 825190471), (71, 220825619), (79, 198463531), (133, 117884353), (497, 31546517), (553, 28351933), (1349, 11622401), (1501, 10445449), (5609, 2795261), (9443, 1660343), (10507, 1492207), (21017, 745997), (39263, 399323), (106571, 147119)]