247639778

素因数分解:

$2^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1\times {\mathrm{599}}^1$

素因数の和:1513

約数の個数: 16

約数和(自身を含む): 373723200

約数和(自身を除く): 126083422

約数列:

[1, 2, 421, 491, 599, 842, 982, 1198, 206711, 252179, 294109, 413422, 504358, 588218, 123819889, 247639778]

約数ペア:

[(1, 247639778), (2, 123819889), (421, 588218), (491, 504358), (599, 413422), (842, 294109), (982, 252179), (1198, 206711)]