218965912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{60689}}^1$

素因数の和:60747

約数の個数: 32

約数和(自身を含む): 458816400

約数和(自身を除く): 239850488

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 60689, 121378, 242756, 485512, 667579, 1335158, 2488249, 2670316, 4976498, 5340632, 9952996, 19905992, 27370739, 54741478, 109482956, 218965912]

約数ペア:

[(1, 218965912), (2, 109482956), (4, 54741478), (8, 27370739), (11, 19905992), (22, 9952996), (41, 5340632), (44, 4976498), (82, 2670316), (88, 2488249), (164, 1335158), (328, 667579), (451, 485512), (902, 242756), (1804, 121378), (3608, 60689)]