81356184

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4139}}^1$

素因数の和:4174

約数の個数: 128

約数和(自身を含む): 278208000

約数和(自身を除く): 196851816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1404, 1512, 1638, 2184, 2457, 2808, 3276, 4139, 4914, 6552, 8278, 9828, 12417, 16556, 19656, 24834, 28973, 33112, 37251, 49668, 53807, 57946, 74502, 86919, 99336, 107614, 111753, 115892, 149004, 161421, 173838, 215228, 223506, 231784, 260757, 298008, 322842, 347676, 376649, 430456, 447012, 484263, 521514, 645684, 695352, 753298, 782271, 894024, 968526, 1043028, 1129947, 1291368, 1452789, 1506596, 1564542, 1937052, 2086056, 2259894, 2905578, 3013192, 3129084, 3389841, 3874104, 4519788, 5811156, 6258168, 6779682, 9039576, 10169523, 11622312, 13559364, 20339046, 27118728, 40678092, 81356184]

約数ペア:

[(1, 81356184), (2, 40678092), (3, 27118728), (4, 20339046), (6, 13559364), (7, 11622312), (8, 10169523), (9, 9039576), (12, 6779682), (13, 6258168), (14, 5811156), (18, 4519788), (21, 3874104), (24, 3389841), (26, 3129084), (27, 3013192), (28, 2905578), (36, 2259894), (39, 2086056), (42, 1937052), (52, 1564542), (54, 1506596), (56, 1452789), (63, 1291368), (72, 1129947), (78, 1043028), (84, 968526), (91, 894024), (104, 782271), (108, 753298), (117, 695352), (126, 645684), (156, 521514), (168, 484263), (182, 447012), (189, 430456), (216, 376649), (234, 347676), (252, 322842), (273, 298008), (312, 260757), (351, 231784), (364, 223506), (378, 215228), (468, 173838), (504, 161421), (546, 149004), (702, 115892), (728, 111753), (756, 107614), (819, 99336), (936, 86919), (1092, 74502), (1404, 57946), (1512, 53807), (1638, 49668), (2184, 37251), (2457, 33112), (2808, 28973), (3276, 24834), (4139, 19656), (4914, 16556), (6552, 12417), (8278, 9828)]