78487864

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:980

約数の個数: 64

約数和(自身を含む): 182730240

約数和(自身を除く): 104242376

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 131, 182, 262, 364, 524, 728, 823, 917, 1048, 1646, 1703, 1834, 3292, 3406, 3668, 5761, 6584, 6812, 7336, 10699, 11522, 11921, 13624, 21398, 23044, 23842, 42796, 46088, 47684, 74893, 85592, 95368, 107813, 149786, 215626, 299572, 431252, 599144, 754691, 862504, 1401569, 1509382, 2803138, 3018764, 5606276, 6037528, 9810983, 11212552, 19621966, 39243932, 78487864]

約数ペア:

[(1, 78487864), (2, 39243932), (4, 19621966), (7, 11212552), (8, 9810983), (13, 6037528), (14, 5606276), (26, 3018764), (28, 2803138), (52, 1509382), (56, 1401569), (91, 862504), (104, 754691), (131, 599144), (182, 431252), (262, 299572), (364, 215626), (524, 149786), (728, 107813), (823, 95368), (917, 85592), (1048, 74893), (1646, 47684), (1703, 46088), (1834, 42796), (3292, 23842), (3406, 23044), (3668, 21398), (5761, 13624), (6584, 11921), (6812, 11522), (7336, 10699)]