1520407987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{161009}}^1$

素因数の和:161106

約数の個数: 16

約数和(自身を含む): 1854835200

約数和(自身を除く): 334427213

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 161009, 1127063, 3059171, 11431639, 21414197, 80021473, 217201141, 1520407987]

約数ペア:

[(1, 1520407987), (7, 217201141), (19, 80021473), (71, 21414197), (133, 11431639), (497, 3059171), (1349, 1127063), (9443, 161009)]