31688897128

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{18457}}^1$

素因数の和:18567

約数の個数: 128

約数和(自身を含む): 74847928320

約数和(自身を除く): 43159031192

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 31, 43, 46, 56, 62, 86, 92, 124, 161, 172, 184, 217, 248, 301, 322, 344, 434, 602, 644, 713, 868, 989, 1204, 1288, 1333, 1426, 1736, 1978, 2408, 2666, 2852, 3956, 4991, 5332, 5704, 6923, 7912, 9331, 9982, 10664, 13846, 18457, 18662, 19964, 27692, 30659, 36914, 37324, 39928, 55384, 61318, 73828, 74648, 122636, 129199, 147656, 214613, 245272, 258398, 424511, 429226, 516796, 572167, 793651, 849022, 858452, 1033592, 1144334, 1587302, 1698044, 1716904, 2288668, 2971577, 3174604, 3396088, 4005169, 4577336, 5555557, 5943154, 6349208, 8010338, 11111114, 11886308, 13159841, 16020676, 18253973, 22222228, 23772616, 24603181, 26319682, 32041352, 36507946, 44444456, 49206362, 52639364, 73015892, 92118887, 98412724, 105278728, 127777811, 146031784, 172222267, 184237774, 196825448, 255555622, 344444534, 368475548, 511111244, 565873163, 688889068, 736951096, 1022222488, 1131746326, 1377778136, 2263492652, 3961112141, 4526985304, 7922224282, 15844448564, 31688897128]

約数ペア:

[(1, 31688897128), (2, 15844448564), (4, 7922224282), (7, 4526985304), (8, 3961112141), (14, 2263492652), (23, 1377778136), (28, 1131746326), (31, 1022222488), (43, 736951096), (46, 688889068), (56, 565873163), (62, 511111244), (86, 368475548), (92, 344444534), (124, 255555622), (161, 196825448), (172, 184237774), (184, 172222267), (217, 146031784), (248, 127777811), (301, 105278728), (322, 98412724), (344, 92118887), (434, 73015892), (602, 52639364), (644, 49206362), (713, 44444456), (868, 36507946), (989, 32041352), (1204, 26319682), (1288, 24603181), (1333, 23772616), (1426, 22222228), (1736, 18253973), (1978, 16020676), (2408, 13159841), (2666, 11886308), (2852, 11111114), (3956, 8010338), (4991, 6349208), (5332, 5943154), (5704, 5555557), (6923, 4577336), (7912, 4005169), (9331, 3396088), (9982, 3174604), (10664, 2971577), (13846, 2288668), (18457, 1716904), (18662, 1698044), (19964, 1587302), (27692, 1144334), (30659, 1033592), (36914, 858452), (37324, 849022), (39928, 793651), (55384, 572167), (61318, 516796), (73828, 429226), (74648, 424511), (122636, 258398), (129199, 245272), (147656, 214613)]