708142778

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 1288750848

約数和(自身を除く): 580608070

約数列:

[1, 2, 7, 14, 37, 61, 73, 74, 122, 146, 259, 307, 427, 511, 518, 614, 854, 1022, 2149, 2257, 2701, 4298, 4453, 4514, 5402, 8906, 11359, 15799, 18727, 18907, 22411, 22718, 31171, 31598, 37454, 37814, 44822, 62342, 79513, 131089, 156877, 159026, 164761, 262178, 313754, 329522, 692899, 829207, 1153327, 1367071, 1385798, 1658414, 2306654, 2734142, 4850293, 5804449, 9569497, 9700586, 11608898, 19138994, 50581627, 101163254, 354071389, 708142778]

約数ペア:

[(1, 708142778), (2, 354071389), (7, 101163254), (14, 50581627), (37, 19138994), (61, 11608898), (73, 9700586), (74, 9569497), (122, 5804449), (146, 4850293), (259, 2734142), (307, 2306654), (427, 1658414), (511, 1385798), (518, 1367071), (614, 1153327), (854, 829207), (1022, 692899), (2149, 329522), (2257, 313754), (2701, 262178), (4298, 164761), (4453, 159026), (4514, 156877), (5402, 131089), (8906, 79513), (11359, 62342), (15799, 44822), (18727, 37814), (18907, 37454), (22411, 31598), (22718, 31171)]