28767728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1097}}^1$

素因数の和:1265

約数の個数: 40

約数和(自身を含む): 61268400

約数和(自身を除く): 32500672

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 149, 176, 298, 596, 1097, 1192, 1639, 2194, 2384, 3278, 4388, 6556, 8776, 12067, 13112, 17552, 24134, 26224, 48268, 96536, 163453, 193072, 326906, 653812, 1307624, 1797983, 2615248, 3595966, 7191932, 14383864, 28767728]

約数ペア:

[(1, 28767728), (2, 14383864), (4, 7191932), (8, 3595966), (11, 2615248), (16, 1797983), (22, 1307624), (44, 653812), (88, 326906), (149, 193072), (176, 163453), (298, 96536), (596, 48268), (1097, 26224), (1192, 24134), (1639, 17552), (2194, 13112), (2384, 12067), (3278, 8776), (4388, 6556)]