81968568

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1237}}^1$

素因数の和:1508

約数の個数: 64

約数和(自身を含む): 224622720

約数和(自身を除く): 142654152

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 251, 264, 502, 753, 1004, 1237, 1506, 2008, 2474, 2761, 3012, 3711, 4948, 5522, 6024, 7422, 8283, 9896, 11044, 13607, 14844, 16566, 22088, 27214, 29688, 33132, 40821, 54428, 66264, 81642, 108856, 163284, 310487, 326568, 620974, 931461, 1241948, 1862922, 2483896, 3415357, 3725844, 6830714, 7451688, 10246071, 13661428, 20492142, 27322856, 40984284, 81968568]

約数ペア:

[(1, 81968568), (2, 40984284), (3, 27322856), (4, 20492142), (6, 13661428), (8, 10246071), (11, 7451688), (12, 6830714), (22, 3725844), (24, 3415357), (33, 2483896), (44, 1862922), (66, 1241948), (88, 931461), (132, 620974), (251, 326568), (264, 310487), (502, 163284), (753, 108856), (1004, 81642), (1237, 66264), (1506, 54428), (2008, 40821), (2474, 33132), (2761, 29688), (3012, 27214), (3711, 22088), (4948, 16566), (5522, 14844), (6024, 13607), (7422, 11044), (8283, 9896)]