128177738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 215913600

約数和(自身を除く): 87735862

約数列:

[1, 2, 13, 26, 29, 58, 139, 278, 377, 754, 1223, 1807, 2446, 3614, 4031, 8062, 15899, 31798, 35467, 52403, 70934, 104806, 169997, 339994, 461071, 922142, 2209961, 4419922, 4929913, 9859826, 64088869, 128177738]

約数ペア:

[(1, 128177738), (2, 64088869), (13, 9859826), (26, 4929913), (29, 4419922), (58, 2209961), (139, 922142), (278, 461071), (377, 339994), (754, 169997), (1223, 104806), (1807, 70934), (2446, 52403), (3614, 35467), (4031, 31798), (8062, 15899)]