71316728

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 162758400

約数和(自身を除く): 91441672

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 97, 133, 152, 194, 266, 388, 532, 679, 691, 776, 1064, 1358, 1382, 1843, 2716, 2764, 3686, 4837, 5432, 5528, 7372, 9674, 12901, 13129, 14744, 19348, 25802, 26258, 38696, 51604, 52516, 67027, 91903, 103208, 105032, 134054, 183806, 268108, 367612, 469189, 536216, 735224, 938378, 1273513, 1876756, 2547026, 3753512, 5094052, 8914591, 10188104, 17829182, 35658364, 71316728]

約数ペア:

[(1, 71316728), (2, 35658364), (4, 17829182), (7, 10188104), (8, 8914591), (14, 5094052), (19, 3753512), (28, 2547026), (38, 1876756), (56, 1273513), (76, 938378), (97, 735224), (133, 536216), (152, 469189), (194, 367612), (266, 268108), (388, 183806), (532, 134054), (679, 105032), (691, 103208), (776, 91903), (1064, 67027), (1358, 52516), (1382, 51604), (1843, 38696), (2716, 26258), (2764, 25802), (3686, 19348), (4837, 14744), (5432, 13129), (5528, 12901), (7372, 9674)]