215401812

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{131023}}^1$

素因数の和:131167

約数の個数: 24

約数和(自身を含む): 506276736

約数和(自身を除く): 290874924

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 131023, 262046, 393069, 524092, 786138, 1572276, 17950151, 35900302, 53850453, 71800604, 107700906, 215401812]

約数ペア:

[(1, 215401812), (2, 107700906), (3, 71800604), (4, 53850453), (6, 35900302), (12, 17950151), (137, 1572276), (274, 786138), (411, 524092), (548, 393069), (822, 262046), (1644, 131023)]