81808132

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{307}}^2$

素因数の和:656

約数の個数: 36

約数和(自身を含む): 169446144

約数和(自身を除く): 87638012

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 307, 434, 614, 868, 1228, 2149, 4298, 8596, 9517, 19034, 38068, 66619, 94249, 133238, 188498, 266476, 376996, 659743, 1319486, 2638972, 2921719, 5843438, 11686876, 20452033, 40904066, 81808132]

約数ペア:

[(1, 81808132), (2, 40904066), (4, 20452033), (7, 11686876), (14, 5843438), (28, 2921719), (31, 2638972), (62, 1319486), (124, 659743), (217, 376996), (307, 266476), (434, 188498), (614, 133238), (868, 94249), (1228, 66619), (2149, 38068), (4298, 19034), (8596, 9517)]