209518276

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{1907}}^1$

素因数の和:2160

約数の個数: 36

約数和(自身を含む): 405007344

約数和(自身を除く): 195489068

約数列:

[1, 2, 4, 11, 22, 44, 121, 227, 242, 454, 484, 908, 1907, 2497, 3814, 4994, 7628, 9988, 20977, 27467, 41954, 54934, 83908, 109868, 230747, 432889, 461494, 865778, 922988, 1731556, 4761779, 9523558, 19047116, 52379569, 104759138, 209518276]

約数ペア:

[(1, 209518276), (2, 104759138), (4, 52379569), (11, 19047116), (22, 9523558), (44, 4761779), (121, 1731556), (227, 922988), (242, 865778), (454, 461494), (484, 432889), (908, 230747), (1907, 109868), (2497, 83908), (3814, 54934), (4994, 41954), (7628, 27467), (9988, 20977)]