1621273654

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{809827}}^1$

素因数の和:809860

約数の個数: 32

約数和(自身を含む): 3265226496

約数和(自身を除く): 1643952842

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 809827, 1619654, 5668789, 8908097, 10527751, 11337578, 17816194, 21055502, 62356679, 73694257, 115805261, 124713358, 147388514, 231610522, 810636827, 1621273654]

約数ペア:

[(1, 1621273654), (2, 810636827), (7, 231610522), (11, 147388514), (13, 124713358), (14, 115805261), (22, 73694257), (26, 62356679), (77, 21055502), (91, 17816194), (143, 11337578), (154, 10527751), (182, 8908097), (286, 5668789), (1001, 1619654), (2002, 809827)]