1320793816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{8689433}}^1$

素因数の和:8689458

約数の個数: 16

約数和(自身を含む): 2606830200

約数和(自身を除く): 1286036384

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 8689433, 17378866, 34757732, 69515464, 165099227, 330198454, 660396908, 1320793816]

約数ペア:

[(1, 1320793816), (2, 660396908), (4, 330198454), (8, 165099227), (19, 69515464), (38, 34757732), (76, 17378866), (152, 8689433)]