1664453

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 16

約数和(自身を含む): 2052864

約数和(自身を除く): 388411

約数列:

[1, 7, 17, 71, 119, 197, 497, 1207, 1379, 3349, 8449, 13987, 23443, 97909, 237779, 1664453]

約数ペア:

[(1, 1664453), (7, 237779), (17, 97909), (71, 23443), (119, 13987), (197, 8449), (497, 3349), (1207, 1379)]