28163898

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2089}}^1$

素因数の和:2211

約数の個数: 48

約数和(自身を含む): 70424640

約数和(自身を除く): 42260742

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1498, 1926, 2089, 2247, 4178, 4494, 6267, 6741, 12534, 13482, 14623, 18801, 29246, 37602, 43869, 87738, 131607, 223523, 263214, 447046, 670569, 1341138, 1564661, 2011707, 3129322, 4023414, 4693983, 9387966, 14081949, 28163898]

約数ペア:

[(1, 28163898), (2, 14081949), (3, 9387966), (6, 4693983), (7, 4023414), (9, 3129322), (14, 2011707), (18, 1564661), (21, 1341138), (42, 670569), (63, 447046), (107, 263214), (126, 223523), (214, 131607), (321, 87738), (642, 43869), (749, 37602), (963, 29246), (1498, 18801), (1926, 14623), (2089, 13482), (2247, 12534), (4178, 6741), (4494, 6267)]