1389486721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1429}}^1\times {\mathrm{8171}}^1$

素因数の和:9624

約数の個数: 16

約数和(自身を含む): 1682778240

約数和(自身を除く): 293291519

約数列:

[1, 7, 17, 119, 1429, 8171, 10003, 24293, 57197, 138907, 170051, 972349, 11676359, 81734513, 198498103, 1389486721]

約数ペア:

[(1, 1389486721), (7, 198498103), (17, 81734513), (119, 11676359), (1429, 972349), (8171, 170051), (10003, 138907), (24293, 57197)]