1988372518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{606581}}^1$

素因数の和:606743

約数の個数: 16

約数和(自身を含む): 3275542800

約数和(自身を除く): 1287170282

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 606581, 1213162, 6672391, 13344782, 90380569, 180761138, 994186259, 1988372518]

約数ペア:

[(1, 1988372518), (2, 994186259), (11, 180761138), (22, 90380569), (149, 13344782), (298, 6672391), (1639, 1213162), (3278, 606581)]