645664994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{2099}}^1\times {\mathrm{11831}}^1$

素因数の和:13945

約数の個数: 16

約数和(自身を含む): 1043582400

約数和(自身を除く): 397917406

約数列:

[1, 2, 13, 26, 2099, 4198, 11831, 23662, 27287, 54574, 153803, 307606, 24833269, 49666538, 322832497, 645664994]

約数ペア:

[(1, 645664994), (2, 322832497), (13, 49666538), (26, 24833269), (2099, 307606), (4198, 153803), (11831, 54574), (23662, 27287)]