215820418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{653}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 359940672

約数和(自身を除く): 144120254

約数列:

[1, 2, 11, 22, 83, 166, 181, 362, 653, 913, 1306, 1826, 1991, 3982, 7183, 14366, 15023, 30046, 54199, 108398, 118193, 165253, 236386, 330506, 596189, 1192378, 1300123, 2600246, 9810019, 19620038, 107910209, 215820418]

約数ペア:

[(1, 215820418), (2, 107910209), (11, 19620038), (22, 9810019), (83, 2600246), (166, 1300123), (181, 1192378), (362, 596189), (653, 330506), (913, 236386), (1306, 165253), (1826, 118193), (1991, 108398), (3982, 54199), (7183, 30046), (14366, 15023)]