8215207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 11450880

約数和(自身を除く): 3235673

約数列:

[1, 7, 11, 13, 29, 77, 91, 143, 203, 283, 319, 377, 1001, 1981, 2233, 2639, 3113, 3679, 4147, 8207, 21791, 25753, 29029, 40469, 57449, 90277, 106691, 283283, 631939, 746837, 1173601, 8215207]

約数ペア:

[(1, 8215207), (7, 1173601), (11, 746837), (13, 631939), (29, 283283), (77, 106691), (91, 90277), (143, 57449), (203, 40469), (283, 29029), (319, 25753), (377, 21791), (1001, 8207), (1981, 4147), (2233, 3679), (2639, 3113)]