678396976

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{1753}}^1$

素因数の和:1866

約数の個数: 60

約数和(自身を含む): 1408721592

約数和(自身を除く): 730324616

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 361, 536, 722, 1072, 1273, 1444, 1753, 2546, 2888, 3506, 5092, 5776, 7012, 10184, 14024, 20368, 24187, 28048, 33307, 48374, 66614, 96748, 117451, 133228, 193496, 234902, 266456, 386992, 469804, 532912, 632833, 939608, 1265666, 1879216, 2231569, 2531332, 4463138, 5062664, 8926276, 10125328, 17852552, 35705104, 42399811, 84799622, 169599244, 339198488, 678396976]

約数ペア:

[(1, 678396976), (2, 339198488), (4, 169599244), (8, 84799622), (16, 42399811), (19, 35705104), (38, 17852552), (67, 10125328), (76, 8926276), (134, 5062664), (152, 4463138), (268, 2531332), (304, 2231569), (361, 1879216), (536, 1265666), (722, 939608), (1072, 632833), (1273, 532912), (1444, 469804), (1753, 386992), (2546, 266456), (2888, 234902), (3506, 193496), (5092, 133228), (5776, 117451), (7012, 96748), (10184, 66614), (14024, 48374), (20368, 33307), (24187, 28048)]