81586776

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1163}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 212313600

約数和(自身を除く): 130726824

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 79, 111, 148, 158, 222, 237, 296, 316, 444, 474, 632, 888, 948, 1163, 1896, 2326, 2923, 3489, 4652, 5846, 6978, 8769, 9304, 11692, 13956, 17538, 23384, 27912, 35076, 43031, 70152, 86062, 91877, 129093, 172124, 183754, 258186, 275631, 344248, 367508, 516372, 551262, 735016, 1032744, 1102524, 2205048, 3399449, 6798898, 10198347, 13597796, 20396694, 27195592, 40793388, 81586776]

約数ペア:

[(1, 81586776), (2, 40793388), (3, 27195592), (4, 20396694), (6, 13597796), (8, 10198347), (12, 6798898), (24, 3399449), (37, 2205048), (74, 1102524), (79, 1032744), (111, 735016), (148, 551262), (158, 516372), (222, 367508), (237, 344248), (296, 275631), (316, 258186), (444, 183754), (474, 172124), (632, 129093), (888, 91877), (948, 86062), (1163, 70152), (1896, 43031), (2326, 35076), (2923, 27912), (3489, 23384), (4652, 17538), (5846, 13956), (6978, 11692), (8769, 9304)]