898991728

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{509}}^1\times {\mathrm{661}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 1758324960

約数和(自身を除く): 859333232

約数列:

[1, 2, 4, 8, 16, 167, 334, 509, 661, 668, 1018, 1322, 1336, 2036, 2644, 2672, 4072, 5288, 8144, 10576, 85003, 110387, 170006, 220774, 336449, 340012, 441548, 672898, 680024, 883096, 1345796, 1360048, 1766192, 2691592, 5383184, 56186983, 112373966, 224747932, 449495864, 898991728]

約数ペア:

[(1, 898991728), (2, 449495864), (4, 224747932), (8, 112373966), (16, 56186983), (167, 5383184), (334, 2691592), (509, 1766192), (661, 1360048), (668, 1345796), (1018, 883096), (1322, 680024), (1336, 672898), (2036, 441548), (2644, 340012), (2672, 336449), (4072, 220774), (5288, 170006), (8144, 110387), (10576, 85003)]