81323228

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{22171}}^1$

素因数の和:22313

約数の個数: 24

約数和(自身を含む): 163895424

約数和(自身を除く): 82572196

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 22171, 44342, 88684, 155197, 310394, 620788, 2904401, 5808802, 11617604, 20330807, 40661614, 81323228]

約数ペア:

[(1, 81323228), (2, 40661614), (4, 20330807), (7, 11617604), (14, 5808802), (28, 2904401), (131, 620788), (262, 310394), (524, 155197), (917, 88684), (1834, 44342), (3668, 22171)]