649072

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:480

約数の個数: 20

約数和(自身を含む): 1272240

約数和(自身を除く): 623168

約数列:

[1, 2, 4, 8, 16, 113, 226, 359, 452, 718, 904, 1436, 1808, 2872, 5744, 40567, 81134, 162268, 324536, 649072]

約数ペア:

[(1, 649072), (2, 324536), (4, 162268), (8, 81134), (16, 40567), (113, 5744), (226, 2872), (359, 1808), (452, 1436), (718, 904)]