391276816

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{673}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 902620800

約数和(自身を除く): 511343984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 179, 203, 232, 358, 406, 464, 673, 716, 812, 1253, 1346, 1432, 1624, 2506, 2692, 2864, 3248, 4711, 5012, 5191, 5384, 9422, 10024, 10382, 10768, 18844, 19517, 20048, 20764, 36337, 37688, 39034, 41528, 72674, 75376, 78068, 83056, 120467, 136619, 145348, 156136, 240934, 273238, 290696, 312272, 481868, 546476, 581392, 843269, 963736, 1092952, 1686538, 1927472, 2185904, 3373076, 3493543, 6746152, 6987086, 13492304, 13974172, 24454801, 27948344, 48909602, 55896688, 97819204, 195638408, 391276816]

約数ペア:

[(1, 391276816), (2, 195638408), (4, 97819204), (7, 55896688), (8, 48909602), (14, 27948344), (16, 24454801), (28, 13974172), (29, 13492304), (56, 6987086), (58, 6746152), (112, 3493543), (116, 3373076), (179, 2185904), (203, 1927472), (232, 1686538), (358, 1092952), (406, 963736), (464, 843269), (673, 581392), (716, 546476), (812, 481868), (1253, 312272), (1346, 290696), (1432, 273238), (1624, 240934), (2506, 156136), (2692, 145348), (2864, 136619), (3248, 120467), (4711, 83056), (5012, 78068), (5191, 75376), (5384, 72674), (9422, 41528), (10024, 39034), (10382, 37688), (10768, 36337), (18844, 20764), (19517, 20048)]