28291588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 56130480

約数和(自身を除く): 27838892

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 73, 116, 146, 257, 292, 377, 514, 754, 949, 1028, 1508, 1898, 2117, 3341, 3796, 4234, 6682, 7453, 8468, 13364, 14906, 18761, 27521, 29812, 37522, 55042, 75044, 96889, 110084, 193778, 243893, 387556, 487786, 544069, 975572, 1088138, 2176276, 7072897, 14145794, 28291588]

約数ペア:

[(1, 28291588), (2, 14145794), (4, 7072897), (13, 2176276), (26, 1088138), (29, 975572), (52, 544069), (58, 487786), (73, 387556), (116, 243893), (146, 193778), (257, 110084), (292, 96889), (377, 75044), (514, 55042), (754, 37522), (949, 29812), (1028, 27521), (1508, 18761), (1898, 14906), (2117, 13364), (3341, 8468), (3796, 7453), (4234, 6682)]