90307778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{22679}}^1$

素因数の和:22873

約数の個数: 16

約数和(自身を含む): 148599360

約数和(自身を除く): 58291582

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 22679, 45358, 249469, 498938, 4104899, 8209798, 45153889, 90307778]

約数ペア:

[(1, 90307778), (2, 45153889), (11, 8209798), (22, 4104899), (181, 498938), (362, 249469), (1991, 45358), (3982, 22679)]