31978212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10289}}^1$

素因数の和:10340

約数の個数: 48

約数和(自身を含む): 87588480

約数和(自身を除く): 55610268

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 10289, 20578, 30867, 41156, 61734, 72023, 123468, 144046, 216069, 288092, 380693, 432138, 761386, 864276, 1142079, 1522772, 2284158, 2664851, 4568316, 5329702, 7994553, 10659404, 15989106, 31978212]

約数ペア:

[(1, 31978212), (2, 15989106), (3, 10659404), (4, 7994553), (6, 5329702), (7, 4568316), (12, 2664851), (14, 2284158), (21, 1522772), (28, 1142079), (37, 864276), (42, 761386), (74, 432138), (84, 380693), (111, 288092), (148, 216069), (222, 144046), (259, 123468), (444, 72023), (518, 61734), (777, 41156), (1036, 30867), (1554, 20578), (3108, 10289)]