1388890766

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{232801}}^1$

素因数の和:232979

約数の個数: 16

約数和(自身を含む): 2206962960

約数和(自身を除く): 818072194

約数列:

[1, 2, 19, 38, 157, 314, 2983, 5966, 232801, 465602, 4423219, 8846438, 36549757, 73099514, 694445383, 1388890766]

約数ペア:

[(1, 1388890766), (2, 694445383), (19, 73099514), (38, 36549757), (157, 8846438), (314, 4423219), (2983, 465602), (5966, 232801)]