28991648

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4463}}^1$

素因数の和:4509

約数の個数: 48

約数和(自身を含む): 67495680

約数和(自身を除く): 38504032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 3248, 4463, 6496, 8926, 17852, 31241, 35704, 62482, 71408, 124964, 129427, 142816, 249928, 258854, 499856, 517708, 905989, 999712, 1035416, 1811978, 2070832, 3623956, 4141664, 7247912, 14495824, 28991648]

約数ペア:

[(1, 28991648), (2, 14495824), (4, 7247912), (7, 4141664), (8, 3623956), (14, 2070832), (16, 1811978), (28, 1035416), (29, 999712), (32, 905989), (56, 517708), (58, 499856), (112, 258854), (116, 249928), (203, 142816), (224, 129427), (232, 124964), (406, 71408), (464, 62482), (812, 35704), (928, 31241), (1624, 17852), (3248, 8926), (4463, 6496)]