121977128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1223}}^1$

素因数の和:1386

約数の個数: 64

約数和(自身を含む): 283772160

約数和(自身を除く): 161795032

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 137, 182, 274, 364, 548, 728, 959, 1096, 1223, 1781, 1918, 2446, 3562, 3836, 4892, 7124, 7672, 8561, 9784, 12467, 14248, 15899, 17122, 24934, 31798, 34244, 49868, 63596, 68488, 99736, 111293, 127192, 167551, 222586, 335102, 445172, 670204, 890344, 1172857, 1340408, 2178163, 2345714, 4356326, 4691428, 8712652, 9382856, 15247141, 17425304, 30494282, 60988564, 121977128]

約数ペア:

[(1, 121977128), (2, 60988564), (4, 30494282), (7, 17425304), (8, 15247141), (13, 9382856), (14, 8712652), (26, 4691428), (28, 4356326), (52, 2345714), (56, 2178163), (91, 1340408), (104, 1172857), (137, 890344), (182, 670204), (274, 445172), (364, 335102), (548, 222586), (728, 167551), (959, 127192), (1096, 111293), (1223, 99736), (1781, 68488), (1918, 63596), (2446, 49868), (3562, 34244), (3836, 31798), (4892, 24934), (7124, 17122), (7672, 15899), (8561, 14248), (9784, 12467)]