68980696

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 142884000

約数和(自身を除く): 73903304

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 82, 89, 136, 139, 164, 178, 278, 328, 356, 556, 697, 712, 1112, 1394, 1513, 2363, 2788, 3026, 3649, 4726, 5576, 5699, 6052, 7298, 9452, 11398, 12104, 12371, 14596, 18904, 22796, 24742, 29192, 45592, 49484, 62033, 96883, 98968, 124066, 193766, 210307, 248132, 387532, 420614, 496264, 507211, 775064, 841228, 1014422, 1682456, 2028844, 4057688, 8622587, 17245174, 34490348, 68980696]

約数ペア:

[(1, 68980696), (2, 34490348), (4, 17245174), (8, 8622587), (17, 4057688), (34, 2028844), (41, 1682456), (68, 1014422), (82, 841228), (89, 775064), (136, 507211), (139, 496264), (164, 420614), (178, 387532), (278, 248132), (328, 210307), (356, 193766), (556, 124066), (697, 98968), (712, 96883), (1112, 62033), (1394, 49484), (1513, 45592), (2363, 29192), (2788, 24742), (3026, 22796), (3649, 18904), (4726, 14596), (5576, 12371), (5699, 12104), (6052, 11398), (7298, 9452)]