28387436

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 66189312

約数和(自身を除く): 37801876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 47, 53, 74, 77, 94, 106, 148, 154, 188, 212, 259, 308, 329, 371, 407, 517, 518, 583, 658, 742, 814, 1034, 1036, 1166, 1316, 1484, 1628, 1739, 1961, 2068, 2332, 2491, 2849, 3478, 3619, 3922, 4081, 4982, 5698, 6956, 7238, 7844, 8162, 9964, 11396, 12173, 13727, 14476, 16324, 17437, 19129, 21571, 24346, 27401, 27454, 34874, 38258, 43142, 48692, 54802, 54908, 69748, 76516, 86284, 92167, 109604, 133903, 150997, 184334, 191807, 267806, 301994, 368668, 383614, 535612, 603988, 645169, 767228, 1013837, 1290338, 2027674, 2580676, 4055348, 7096859, 14193718, 28387436]

約数ペア:

[(1, 28387436), (2, 14193718), (4, 7096859), (7, 4055348), (11, 2580676), (14, 2027674), (22, 1290338), (28, 1013837), (37, 767228), (44, 645169), (47, 603988), (53, 535612), (74, 383614), (77, 368668), (94, 301994), (106, 267806), (148, 191807), (154, 184334), (188, 150997), (212, 133903), (259, 109604), (308, 92167), (329, 86284), (371, 76516), (407, 69748), (517, 54908), (518, 54802), (583, 48692), (658, 43142), (742, 38258), (814, 34874), (1034, 27454), (1036, 27401), (1166, 24346), (1316, 21571), (1484, 19129), (1628, 17437), (1739, 16324), (1961, 14476), (2068, 13727), (2332, 12173), (2491, 11396), (2849, 9964), (3478, 8162), (3619, 7844), (3922, 7238), (4081, 6956), (4982, 5698)]