1378398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:936

約数の個数: 32

約数和(自身を含む): 3239424

約数和(自身を除く): 1861026

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 887, 1554, 1774, 2661, 5322, 6209, 12418, 18627, 32819, 37254, 65638, 98457, 196914, 229733, 459466, 689199, 1378398]

約数ペア:

[(1, 1378398), (2, 689199), (3, 459466), (6, 229733), (7, 196914), (14, 98457), (21, 65638), (37, 37254), (42, 32819), (74, 18627), (111, 12418), (222, 6209), (259, 5322), (518, 2661), (777, 1774), (887, 1554)]