28707976

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 60520320

約数和(自身を除く): 31812344

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 121, 188, 242, 376, 484, 517, 631, 968, 1034, 1262, 2068, 2524, 4136, 5048, 5687, 6941, 11374, 13882, 22748, 27764, 29657, 45496, 55528, 59314, 76351, 118628, 152702, 237256, 305404, 326227, 610808, 652454, 1304908, 2609816, 3588497, 7176994, 14353988, 28707976]

約数ペア:

[(1, 28707976), (2, 14353988), (4, 7176994), (8, 3588497), (11, 2609816), (22, 1304908), (44, 652454), (47, 610808), (88, 326227), (94, 305404), (121, 237256), (188, 152702), (242, 118628), (376, 76351), (484, 59314), (517, 55528), (631, 45496), (968, 29657), (1034, 27764), (1262, 22748), (2068, 13882), (2524, 11374), (4136, 6941), (5048, 5687)]