28284806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 49144320

約数和(自身を除く): 20859514

約数列:

[1, 2, 11, 19, 22, 38, 157, 209, 314, 418, 431, 862, 1727, 2983, 3454, 4741, 5966, 8189, 9482, 16378, 32813, 65626, 67667, 90079, 135334, 180158, 744337, 1285673, 1488674, 2571346, 14142403, 28284806]

約数ペア:

[(1, 28284806), (2, 14142403), (11, 2571346), (19, 1488674), (22, 1285673), (38, 744337), (157, 180158), (209, 135334), (314, 90079), (418, 67667), (431, 65626), (862, 32813), (1727, 16378), (2983, 9482), (3454, 8189), (4741, 5966)]