1278702926

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{245621}}^1$

素因数の和:245779

約数の個数: 16

約数和(自身を含む): 2033750160

約数和(自身を除く): 755047234

約数列:

[1, 2, 19, 38, 137, 274, 2603, 5206, 245621, 491242, 4666799, 9333598, 33650077, 67300154, 639351463, 1278702926]

約数ペア:

[(1, 1278702926), (2, 639351463), (19, 67300154), (38, 33650077), (137, 9333598), (274, 4666799), (2603, 491242), (5206, 245621)]