87939516

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{431}}^1$

素因数の和:799

約数の個数: 72

約数和(自身を含む): 239936256

約数和(自身を除く): 151996740

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 347, 431, 588, 694, 862, 1041, 1293, 1388, 1724, 2082, 2429, 2586, 3017, 4164, 4858, 5172, 6034, 7287, 9051, 9716, 12068, 14574, 17003, 18102, 21119, 29148, 34006, 36204, 42238, 51009, 63357, 68012, 84476, 102018, 126714, 149557, 204036, 253428, 299114, 448671, 598228, 897342, 1046899, 1794684, 2093798, 3140697, 4187596, 6281394, 7328293, 12562788, 14656586, 21984879, 29313172, 43969758, 87939516]

約数ペア:

[(1, 87939516), (2, 43969758), (3, 29313172), (4, 21984879), (6, 14656586), (7, 12562788), (12, 7328293), (14, 6281394), (21, 4187596), (28, 3140697), (42, 2093798), (49, 1794684), (84, 1046899), (98, 897342), (147, 598228), (196, 448671), (294, 299114), (347, 253428), (431, 204036), (588, 149557), (694, 126714), (862, 102018), (1041, 84476), (1293, 68012), (1388, 63357), (1724, 51009), (2082, 42238), (2429, 36204), (2586, 34006), (3017, 29148), (4164, 21119), (4858, 18102), (5172, 17003), (6034, 14574), (7287, 12068), (9051, 9716)]