221519344

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{21599}}^1$

素因数の和:22248

約数の個数: 20

約数和(自身を含む): 429883200

約数和(自身を除く): 208363856

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 21599, 43198, 86396, 172792, 345584, 13844959, 27689918, 55379836, 110759672, 221519344]

約数ペア:

[(1, 221519344), (2, 110759672), (4, 55379836), (8, 27689918), (16, 13844959), (641, 345584), (1282, 172792), (2564, 86396), (5128, 43198), (10256, 21599)]