87475986

素因数分解:

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

素因数の和:472

約数の個数: 72

約数和(自身を含む): 211449420

約数和(自身を除く): 123973434

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, 961, 1167, 1209, 1922, 2334, 2418, 2883, 3501, 3627, 5057, 5766, 7002, 7254, 8649, 10114, 12059, 12493, 15171, 17298, 24118, 24986, 30342, 36177, 37479, 45513, 72354, 74958, 91026, 108531, 112437, 156767, 217062, 224874, 313534, 373829, 470301, 747658, 940602, 1121487, 1410903, 2242974, 2821806, 3364461, 4859777, 6728922, 9719554, 14579331, 29158662, 43737993, 87475986]

約数ペア:

[(1, 87475986), (2, 43737993), (3, 29158662), (6, 14579331), (9, 9719554), (13, 6728922), (18, 4859777), (26, 3364461), (31, 2821806), (39, 2242974), (62, 1410903), (78, 1121487), (93, 940602), (117, 747658), (186, 470301), (234, 373829), (279, 313534), (389, 224874), (403, 217062), (558, 156767), (778, 112437), (806, 108531), (961, 91026), (1167, 74958), (1209, 72354), (1922, 45513), (2334, 37479), (2418, 36177), (2883, 30342), (3501, 24986), (3627, 24118), (5057, 17298), (5766, 15171), (7002, 12493), (7254, 12059), (8649, 10114)]