399978712

素因数分解:

$2^3\times 7^1\times {\mathrm{811}}^1\times {\mathrm{8807}}^1$

素因数の和:9631

約数の個数: 32

約数和(自身を含む): 858251520

約数和(自身を除く): 458272808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 811, 1622, 3244, 5677, 6488, 8807, 11354, 17614, 22708, 35228, 45416, 61649, 70456, 123298, 246596, 493192, 7142477, 14284954, 28569908, 49997339, 57139816, 99994678, 199989356, 399978712]

約数ペア:

[(1, 399978712), (2, 199989356), (4, 99994678), (7, 57139816), (8, 49997339), (14, 28569908), (28, 14284954), (56, 7142477), (811, 493192), (1622, 246596), (3244, 123298), (5677, 70456), (6488, 61649), (8807, 45416), (11354, 35228), (17614, 22708)]