2821806

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 6814080

約数和(自身を除く): 3992274

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 389, 403, 558, 778, 806, 1167, 1209, 2334, 2418, 3501, 3627, 5057, 7002, 7254, 10114, 12059, 15171, 24118, 30342, 36177, 45513, 72354, 91026, 108531, 156767, 217062, 313534, 470301, 940602, 1410903, 2821806]

約数ペア:

[(1, 2821806), (2, 1410903), (3, 940602), (6, 470301), (9, 313534), (13, 217062), (18, 156767), (26, 108531), (31, 91026), (39, 72354), (62, 45513), (78, 36177), (93, 30342), (117, 24118), (186, 15171), (234, 12059), (279, 10114), (389, 7254), (403, 7002), (558, 5057), (778, 3627), (806, 3501), (1167, 2418), (1209, 2334)]