68890276

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1423}}^1$

素因数の和:1473

約数の個数: 72

約数和(自身を含む): 159089280

約数和(自身を除く): 90199004

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1423, 1729, 1862, 2548, 2846, 3458, 3724, 5692, 6916, 9961, 12103, 18499, 19922, 24206, 27037, 36998, 39844, 48412, 54074, 69727, 73996, 108148, 129493, 139454, 189259, 258986, 278908, 351481, 378518, 517972, 702962, 757036, 906451, 1324813, 1405924, 1812902, 2460367, 2649626, 3625804, 4920734, 5299252, 9841468, 17222569, 34445138, 68890276]

約数ペア:

[(1, 68890276), (2, 34445138), (4, 17222569), (7, 9841468), (13, 5299252), (14, 4920734), (19, 3625804), (26, 2649626), (28, 2460367), (38, 1812902), (49, 1405924), (52, 1324813), (76, 906451), (91, 757036), (98, 702962), (133, 517972), (182, 378518), (196, 351481), (247, 278908), (266, 258986), (364, 189259), (494, 139454), (532, 129493), (637, 108148), (931, 73996), (988, 69727), (1274, 54074), (1423, 48412), (1729, 39844), (1862, 36998), (2548, 27037), (2846, 24206), (3458, 19922), (3724, 18499), (5692, 12103), (6916, 9961)]