72908976

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{216991}}^1$

素因数の和:217009

約数の個数: 40

約数和(自身を含む): 215256064

約数和(自身を除く): 142347088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 216991, 433982, 650973, 867964, 1301946, 1518937, 1735928, 2603892, 3037874, 3471856, 4556811, 5207784, 6075748, 9113622, 10415568, 12151496, 18227244, 24302992, 36454488, 72908976]

約数ペア:

[(1, 72908976), (2, 36454488), (3, 24302992), (4, 18227244), (6, 12151496), (7, 10415568), (8, 9113622), (12, 6075748), (14, 5207784), (16, 4556811), (21, 3471856), (24, 3037874), (28, 2603892), (42, 1735928), (48, 1518937), (56, 1301946), (84, 867964), (112, 650973), (168, 433982), (336, 216991)]