81884556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:392

約数の個数: 108

約数和(自身を含む): 230077848

約数和(自身を除く): 148193292

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 169, 172, 234, 258, 313, 338, 387, 468, 507, 516, 559, 626, 676, 774, 939, 1014, 1118, 1252, 1521, 1548, 1677, 1878, 2028, 2236, 2817, 3042, 3354, 3756, 4069, 5031, 5634, 6084, 6708, 7267, 8138, 10062, 11268, 12207, 13459, 14534, 16276, 20124, 21801, 24414, 26918, 29068, 36621, 40377, 43602, 48828, 52897, 53836, 65403, 73242, 80754, 87204, 105794, 121131, 130806, 146484, 158691, 161508, 174967, 211588, 242262, 261612, 317382, 349934, 476073, 484524, 524901, 634764, 699868, 952146, 1049802, 1574703, 1904292, 2099604, 2274571, 3149406, 4549142, 6298812, 6823713, 9098284, 13647426, 20471139, 27294852, 40942278, 81884556]

約数ペア:

[(1, 81884556), (2, 40942278), (3, 27294852), (4, 20471139), (6, 13647426), (9, 9098284), (12, 6823713), (13, 6298812), (18, 4549142), (26, 3149406), (36, 2274571), (39, 2099604), (43, 1904292), (52, 1574703), (78, 1049802), (86, 952146), (117, 699868), (129, 634764), (156, 524901), (169, 484524), (172, 476073), (234, 349934), (258, 317382), (313, 261612), (338, 242262), (387, 211588), (468, 174967), (507, 161508), (516, 158691), (559, 146484), (626, 130806), (676, 121131), (774, 105794), (939, 87204), (1014, 80754), (1118, 73242), (1252, 65403), (1521, 53836), (1548, 52897), (1677, 48828), (1878, 43602), (2028, 40377), (2236, 36621), (2817, 29068), (3042, 26918), (3354, 24414), (3756, 21801), (4069, 20124), (5031, 16276), (5634, 14534), (6084, 13459), (6708, 12207), (7267, 11268), (8138, 10062)]