668608356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:685

約数の個数: 96

約数和(自身を含む): 1724768640

約数和(自身を除く): 1056160284

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 193, 212, 318, 386, 419, 579, 636, 689, 772, 838, 1158, 1257, 1378, 1676, 2067, 2316, 2509, 2514, 2756, 4134, 5018, 5028, 5447, 7527, 8268, 10036, 10229, 10894, 15054, 16341, 20458, 21788, 22207, 30108, 30687, 32682, 40916, 44414, 61374, 65364, 66621, 80867, 88828, 122748, 132977, 133242, 161734, 242601, 265954, 266484, 288691, 323468, 398931, 485202, 531908, 577382, 797862, 866073, 970404, 1051271, 1154764, 1595724, 1732146, 2102542, 3153813, 3464292, 4205084, 4285951, 6307626, 8571902, 12615252, 12857853, 17143804, 25715706, 51431412, 55717363, 111434726, 167152089, 222869452, 334304178, 668608356]

約数ペア:

[(1, 668608356), (2, 334304178), (3, 222869452), (4, 167152089), (6, 111434726), (12, 55717363), (13, 51431412), (26, 25715706), (39, 17143804), (52, 12857853), (53, 12615252), (78, 8571902), (106, 6307626), (156, 4285951), (159, 4205084), (193, 3464292), (212, 3153813), (318, 2102542), (386, 1732146), (419, 1595724), (579, 1154764), (636, 1051271), (689, 970404), (772, 866073), (838, 797862), (1158, 577382), (1257, 531908), (1378, 485202), (1676, 398931), (2067, 323468), (2316, 288691), (2509, 266484), (2514, 265954), (2756, 242601), (4134, 161734), (5018, 133242), (5028, 132977), (5447, 122748), (7527, 88828), (8268, 80867), (10036, 66621), (10229, 65364), (10894, 61374), (15054, 44414), (16341, 40916), (20458, 32682), (21788, 30687), (22207, 30108)]