399543778

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 622245888

約数和(自身を除く): 222702110

約数列:

[1, 2, 61, 107, 122, 127, 214, 241, 254, 482, 6527, 7747, 13054, 13589, 14701, 15494, 25787, 27178, 29402, 30607, 51574, 61214, 828929, 1573007, 1657858, 1867027, 3146014, 3274949, 3734054, 6549898, 199771889, 399543778]

約数ペア:

[(1, 399543778), (2, 199771889), (61, 6549898), (107, 3734054), (122, 3274949), (127, 3146014), (214, 1867027), (241, 1657858), (254, 1573007), (482, 828929), (6527, 61214), (7747, 51574), (13054, 30607), (13589, 29402), (14701, 27178), (15494, 25787)]