28249312

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 69854400

約数和(自身を除く): 41605088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 89, 91, 104, 109, 112, 178, 182, 208, 218, 224, 356, 364, 416, 436, 623, 712, 728, 763, 872, 1157, 1246, 1417, 1424, 1456, 1526, 1744, 2314, 2492, 2834, 2848, 2912, 3052, 3488, 4628, 4984, 5668, 6104, 8099, 9256, 9701, 9919, 9968, 11336, 12208, 16198, 18512, 19402, 19838, 19936, 22672, 24416, 32396, 37024, 38804, 39676, 45344, 64792, 67907, 77608, 79352, 126113, 129584, 135814, 155216, 158704, 252226, 259168, 271628, 310432, 317408, 504452, 543256, 882791, 1008904, 1086512, 1765582, 2017808, 2173024, 3531164, 4035616, 7062328, 14124656, 28249312]

約数ペア:

[(1, 28249312), (2, 14124656), (4, 7062328), (7, 4035616), (8, 3531164), (13, 2173024), (14, 2017808), (16, 1765582), (26, 1086512), (28, 1008904), (32, 882791), (52, 543256), (56, 504452), (89, 317408), (91, 310432), (104, 271628), (109, 259168), (112, 252226), (178, 158704), (182, 155216), (208, 135814), (218, 129584), (224, 126113), (356, 79352), (364, 77608), (416, 67907), (436, 64792), (623, 45344), (712, 39676), (728, 38804), (763, 37024), (872, 32396), (1157, 24416), (1246, 22672), (1417, 19936), (1424, 19838), (1456, 19402), (1526, 18512), (1744, 16198), (2314, 12208), (2492, 11336), (2834, 9968), (2848, 9919), (2912, 9701), (3052, 9256), (3488, 8099), (4628, 6104), (4984, 5668)]