1781808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{5303}}^1$

素因数の和:5321

約数の個数: 40

約数和(自身を含む): 5261568

約数和(自身を除く): 3479760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 5303, 10606, 15909, 21212, 31818, 37121, 42424, 63636, 74242, 84848, 111363, 127272, 148484, 222726, 254544, 296968, 445452, 593936, 890904, 1781808]

約数ペア:

[(1, 1781808), (2, 890904), (3, 593936), (4, 445452), (6, 296968), (7, 254544), (8, 222726), (12, 148484), (14, 127272), (16, 111363), (21, 84848), (24, 74242), (28, 63636), (42, 42424), (48, 37121), (56, 31818), (84, 21212), (112, 15909), (168, 10606), (336, 5303)]