29903978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{21701}}^1$

素因数の和:21769

約数の個数: 16

約数和(自身を含む): 49220136

約数和(自身を除く): 19316158

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 21701, 43402, 282113, 564226, 1150153, 2300306, 14951989, 29903978]

約数ペア:

[(1, 29903978), (2, 14951989), (13, 2300306), (26, 1150153), (53, 564226), (106, 282113), (689, 43402), (1378, 21701)]