1278842552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{4289}}^1$

素因数の和:4416

約数の個数: 64

約数和(自身を含む): 2681078400

約数和(自身を除く): 1402235848

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 61, 94, 104, 122, 188, 244, 376, 488, 611, 793, 1222, 1586, 2444, 2867, 3172, 4289, 4888, 5734, 6344, 8578, 11468, 17156, 22936, 34312, 37271, 55757, 74542, 111514, 149084, 201583, 223028, 261629, 298168, 403166, 446056, 523258, 806332, 1046516, 1612664, 2093032, 2620579, 3401177, 5241158, 6802354, 10482316, 12296563, 13604708, 20964632, 24593126, 27209416, 49186252, 98372504, 159855319, 319710638, 639421276, 1278842552]

約数ペア:

[(1, 1278842552), (2, 639421276), (4, 319710638), (8, 159855319), (13, 98372504), (26, 49186252), (47, 27209416), (52, 24593126), (61, 20964632), (94, 13604708), (104, 12296563), (122, 10482316), (188, 6802354), (244, 5241158), (376, 3401177), (488, 2620579), (611, 2093032), (793, 1612664), (1222, 1046516), (1586, 806332), (2444, 523258), (2867, 446056), (3172, 403166), (4289, 298168), (4888, 261629), (5734, 223028), (6344, 201583), (8578, 149084), (11468, 111514), (17156, 74542), (22936, 55757), (34312, 37271)]