208322015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2003}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 286267392

約数和(自身を除く): 77945377

約数列:

[1, 5, 11, 31, 55, 61, 155, 305, 341, 671, 1705, 1891, 2003, 3355, 9455, 10015, 20801, 22033, 62093, 104005, 110165, 122183, 310465, 610915, 683023, 1344013, 3415115, 3787673, 6720065, 18938365, 41664403, 208322015]

約数ペア:

[(1, 208322015), (5, 41664403), (11, 18938365), (31, 6720065), (55, 3787673), (61, 3415115), (155, 1344013), (305, 683023), (341, 610915), (671, 310465), (1705, 122183), (1891, 110165), (2003, 104005), (3355, 62093), (9455, 22033), (10015, 20801)]