28313766

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 69128640

約数和(自身を除く): 40814874

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 78, 106, 117, 159, 234, 318, 351, 477, 689, 702, 761, 954, 1378, 1431, 1522, 2067, 2283, 2862, 4134, 4566, 6201, 6849, 9893, 12402, 13698, 18603, 19786, 20547, 29679, 37206, 40333, 41094, 59358, 80666, 89037, 120999, 178074, 241998, 267111, 362997, 524329, 534222, 725994, 1048658, 1088991, 1572987, 2177982, 3145974, 4718961, 9437922, 14156883, 28313766]

約数ペア:

[(1, 28313766), (2, 14156883), (3, 9437922), (6, 4718961), (9, 3145974), (13, 2177982), (18, 1572987), (26, 1088991), (27, 1048658), (39, 725994), (53, 534222), (54, 524329), (78, 362997), (106, 267111), (117, 241998), (159, 178074), (234, 120999), (318, 89037), (351, 80666), (477, 59358), (689, 41094), (702, 40333), (761, 37206), (954, 29679), (1378, 20547), (1431, 19786), (1522, 18603), (2067, 13698), (2283, 12402), (2862, 9893), (4134, 6849), (4566, 6201)]