201521998

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{61703}}^1$

素因数の和:61799

約数の個数: 16

約数和(自身を含む): 319873536

約数和(自身を除く): 118351538

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 61703, 123406, 1419169, 2838338, 4380913, 8761826, 100760999, 201521998]

約数ペア:

[(1, 201521998), (2, 100760999), (23, 8761826), (46, 4380913), (71, 2838338), (142, 1419169), (1633, 123406), (3266, 61703)]