1638857568

素因数分解:

$2^5\times 3^1\times {\mathrm{137}}^1\times {\mathrm{353}}^2$

素因数の和:856

約数の個数: 72

約数和(自身を含む): 4345713288

約数和(自身を除く): 2706855720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 137, 274, 353, 411, 548, 706, 822, 1059, 1096, 1412, 1644, 2118, 2192, 2824, 3288, 4236, 4384, 5648, 6576, 8472, 11296, 13152, 16944, 33888, 48361, 96722, 124609, 145083, 193444, 249218, 290166, 373827, 386888, 498436, 580332, 747654, 773776, 996872, 1160664, 1495308, 1547552, 1993744, 2321328, 2990616, 3987488, 4642656, 5981232, 11962464, 17071433, 34142866, 51214299, 68285732, 102428598, 136571464, 204857196, 273142928, 409714392, 546285856, 819428784, 1638857568]

約数ペア:

[(1, 1638857568), (2, 819428784), (3, 546285856), (4, 409714392), (6, 273142928), (8, 204857196), (12, 136571464), (16, 102428598), (24, 68285732), (32, 51214299), (48, 34142866), (96, 17071433), (137, 11962464), (274, 5981232), (353, 4642656), (411, 3987488), (548, 2990616), (706, 2321328), (822, 1993744), (1059, 1547552), (1096, 1495308), (1412, 1160664), (1644, 996872), (2118, 773776), (2192, 747654), (2824, 580332), (3288, 498436), (4236, 386888), (4384, 373827), (5648, 290166), (6576, 249218), (8472, 193444), (11296, 145083), (13152, 124609), (16944, 96722), (33888, 48361)]