28013144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 60328800

約数和(自身を除く): 32315656

約数列:

[1, 2, 4, 8, 17, 19, 34, 37, 38, 68, 74, 76, 136, 148, 152, 293, 296, 323, 586, 629, 646, 703, 1172, 1258, 1292, 1406, 2344, 2516, 2584, 2812, 4981, 5032, 5567, 5624, 9962, 10841, 11134, 11951, 19924, 21682, 22268, 23902, 39848, 43364, 44536, 47804, 86728, 94639, 95608, 184297, 189278, 205979, 368594, 378556, 411958, 737188, 757112, 823916, 1474376, 1647832, 3501643, 7003286, 14006572, 28013144]

約数ペア:

[(1, 28013144), (2, 14006572), (4, 7003286), (8, 3501643), (17, 1647832), (19, 1474376), (34, 823916), (37, 757112), (38, 737188), (68, 411958), (74, 378556), (76, 368594), (136, 205979), (148, 189278), (152, 184297), (293, 95608), (296, 94639), (323, 86728), (586, 47804), (629, 44536), (646, 43364), (703, 39848), (1172, 23902), (1258, 22268), (1292, 21682), (1406, 19924), (2344, 11951), (2516, 11134), (2584, 10841), (2812, 9962), (4981, 5624), (5032, 5567)]