222173281

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{991}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 246412800

約数和(自身を除く): 24239519

約数列:

[1, 11, 89, 229, 979, 991, 2519, 10901, 20381, 88199, 224191, 226939, 970189, 2496329, 20197571, 222173281]

約数ペア:

[(1, 222173281), (11, 20197571), (89, 2496329), (229, 970189), (979, 226939), (991, 224191), (2519, 88199), (10901, 20381)]