81293408

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:580

約数の個数: 96

約数和(自身を含む): 197406720

約数和(自身を除く): 116113312

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 56, 62, 92, 112, 124, 161, 184, 217, 224, 248, 322, 368, 434, 496, 509, 644, 713, 736, 868, 992, 1018, 1288, 1426, 1736, 2036, 2576, 2852, 3472, 3563, 4072, 4991, 5152, 5704, 6944, 7126, 8144, 9982, 11408, 11707, 14252, 15779, 16288, 19964, 22816, 23414, 28504, 31558, 39928, 46828, 57008, 63116, 79856, 81949, 93656, 110453, 114016, 126232, 159712, 163898, 187312, 220906, 252464, 327796, 362917, 374624, 441812, 504928, 655592, 725834, 883624, 1311184, 1451668, 1767248, 2540419, 2622368, 2903336, 3534496, 5080838, 5806672, 10161676, 11613344, 20323352, 40646704, 81293408]

約数ペア:

[(1, 81293408), (2, 40646704), (4, 20323352), (7, 11613344), (8, 10161676), (14, 5806672), (16, 5080838), (23, 3534496), (28, 2903336), (31, 2622368), (32, 2540419), (46, 1767248), (56, 1451668), (62, 1311184), (92, 883624), (112, 725834), (124, 655592), (161, 504928), (184, 441812), (217, 374624), (224, 362917), (248, 327796), (322, 252464), (368, 220906), (434, 187312), (496, 163898), (509, 159712), (644, 126232), (713, 114016), (736, 110453), (868, 93656), (992, 81949), (1018, 79856), (1288, 63116), (1426, 57008), (1736, 46828), (2036, 39928), (2576, 31558), (2852, 28504), (3472, 23414), (3563, 22816), (4072, 19964), (4991, 16288), (5152, 15779), (5704, 14252), (6944, 11707), (7126, 11408), (8144, 9982)]