71630552

素因数分解:

$2^3\times 7^2\times {\mathrm{359}}^1\times {\mathrm{509}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 156978000

約数和(自身を除く): 85347448

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 359, 392, 509, 718, 1018, 1436, 2036, 2513, 2872, 3563, 4072, 5026, 7126, 10052, 14252, 17591, 20104, 24941, 28504, 35182, 49882, 70364, 99764, 140728, 182731, 199528, 365462, 730924, 1279117, 1461848, 2558234, 5116468, 8953819, 10232936, 17907638, 35815276, 71630552]

約数ペア:

[(1, 71630552), (2, 35815276), (4, 17907638), (7, 10232936), (8, 8953819), (14, 5116468), (28, 2558234), (49, 1461848), (56, 1279117), (98, 730924), (196, 365462), (359, 199528), (392, 182731), (509, 140728), (718, 99764), (1018, 70364), (1436, 49882), (2036, 35182), (2513, 28504), (2872, 24941), (3563, 20104), (4072, 17591), (5026, 14252), (7126, 10052)]