81578932

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 157003840

約数和(自身を除く): 75424908

約数列:

[1, 2, 4, 19, 37, 38, 67, 74, 76, 134, 148, 268, 433, 703, 866, 1273, 1406, 1732, 2479, 2546, 2812, 4958, 5092, 8227, 9916, 16021, 16454, 29011, 32042, 32908, 47101, 58022, 64084, 94202, 116044, 188404, 304399, 551209, 608798, 1073407, 1102418, 1217596, 2146814, 2204836, 4293628, 20394733, 40789466, 81578932]

約数ペア:

[(1, 81578932), (2, 40789466), (4, 20394733), (19, 4293628), (37, 2204836), (38, 2146814), (67, 1217596), (74, 1102418), (76, 1073407), (134, 608798), (148, 551209), (268, 304399), (433, 188404), (703, 116044), (866, 94202), (1273, 64084), (1406, 58022), (1732, 47101), (2479, 32908), (2546, 32042), (2812, 29011), (4958, 16454), (5092, 16021), (8227, 9916)]