399521388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1823}}^1\times {\mathrm{2609}}^1$

素因数の和:4446

約数の個数: 48

約数和(自身を含む): 1066383360

約数和(自身を除く): 666861972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1823, 2609, 3646, 5218, 5469, 7292, 7827, 10436, 10938, 12761, 15654, 18263, 21876, 25522, 31308, 36526, 38283, 51044, 54789, 73052, 76566, 109578, 153132, 219156, 4756207, 9512414, 14268621, 19024828, 28537242, 33293449, 57074484, 66586898, 99880347, 133173796, 199760694, 399521388]

約数ペア:

[(1, 399521388), (2, 199760694), (3, 133173796), (4, 99880347), (6, 66586898), (7, 57074484), (12, 33293449), (14, 28537242), (21, 19024828), (28, 14268621), (42, 9512414), (84, 4756207), (1823, 219156), (2609, 153132), (3646, 109578), (5218, 76566), (5469, 73052), (7292, 54789), (7827, 51044), (10436, 38283), (10938, 36526), (12761, 31308), (15654, 25522), (18263, 21876)]