1638924

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 4435200

約数和(自身を除く): 2796276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 109, 179, 218, 327, 358, 436, 537, 654, 716, 763, 1074, 1253, 1308, 1526, 2148, 2289, 2506, 3052, 3759, 4578, 5012, 7518, 9156, 15036, 19511, 39022, 58533, 78044, 117066, 136577, 234132, 273154, 409731, 546308, 819462, 1638924]

約数ペア:

[(1, 1638924), (2, 819462), (3, 546308), (4, 409731), (6, 273154), (7, 234132), (12, 136577), (14, 117066), (21, 78044), (28, 58533), (42, 39022), (84, 19511), (109, 15036), (179, 9156), (218, 7518), (327, 5012), (358, 4578), (436, 3759), (537, 3052), (654, 2506), (716, 2289), (763, 2148), (1074, 1526), (1253, 1308)]