28451984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{161659}}^1$

素因数の和:161678

約数の個数: 20

約数和(自身を含む): 60137520

約数和(自身を除く): 31685536

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 161659, 323318, 646636, 1293272, 1778249, 2586544, 3556498, 7112996, 14225992, 28451984]

約数ペア:

[(1, 28451984), (2, 14225992), (4, 7112996), (8, 3556498), (11, 2586544), (16, 1778249), (22, 1293272), (44, 646636), (88, 323318), (176, 161659)]