128781996

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{219017}}^1$

素因数の和:219038

約数の個数: 36

約数和(自身を含む): 349552728

約数和(自身を除く): 220770732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 219017, 438034, 657051, 876068, 1314102, 1533119, 2628204, 3066238, 4599357, 6132476, 9198714, 10731833, 18397428, 21463666, 32195499, 42927332, 64390998, 128781996]

約数ペア:

[(1, 128781996), (2, 64390998), (3, 42927332), (4, 32195499), (6, 21463666), (7, 18397428), (12, 10731833), (14, 9198714), (21, 6132476), (28, 4599357), (42, 3066238), (49, 2628204), (84, 1533119), (98, 1314102), (147, 876068), (196, 657051), (294, 438034), (588, 219017)]