28639422

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1750

約数の個数: 72

約数和(自身を含む): 76026600

約数和(自身を除く): 47387178

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1709, 1862, 2394, 2793, 3418, 5127, 5586, 8379, 10254, 11963, 15381, 16758, 23926, 30762, 32471, 35889, 64942, 71778, 83741, 97413, 107667, 167482, 194826, 215334, 227297, 251223, 292239, 454594, 502446, 584478, 681891, 753669, 1363782, 1507338, 1591079, 2045673, 3182158, 4091346, 4773237, 9546474, 14319711, 28639422]

約数ペア:

[(1, 28639422), (2, 14319711), (3, 9546474), (6, 4773237), (7, 4091346), (9, 3182158), (14, 2045673), (18, 1591079), (19, 1507338), (21, 1363782), (38, 753669), (42, 681891), (49, 584478), (57, 502446), (63, 454594), (98, 292239), (114, 251223), (126, 227297), (133, 215334), (147, 194826), (171, 167482), (266, 107667), (294, 97413), (342, 83741), (399, 71778), (441, 64942), (798, 35889), (882, 32471), (931, 30762), (1197, 23926), (1709, 16758), (1862, 15381), (2394, 11963), (2793, 10254), (3418, 8379), (5127, 5586)]