977505977

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{1373}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 1210878720

約数和(自身を除く): 233372743

約数列:

[1, 7, 19, 53, 101, 133, 371, 707, 1007, 1373, 1919, 5353, 7049, 9611, 13433, 26087, 37471, 72769, 101707, 138673, 182609, 509383, 711949, 970711, 1382611, 2634787, 7349669, 9678277, 18443509, 51447683, 139643711, 977505977]

約数ペア:

[(1, 977505977), (7, 139643711), (19, 51447683), (53, 18443509), (101, 9678277), (133, 7349669), (371, 2634787), (707, 1382611), (1007, 970711), (1373, 711949), (1919, 509383), (5353, 182609), (7049, 138673), (9611, 101707), (13433, 72769), (26087, 37471)]