64712176

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{212869}}^1$

素因数の和:212896

約数の個数: 20

約数和(自身を含む): 131979400

約数和(自身を除く): 67267224

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 212869, 425738, 851476, 1702952, 3405904, 4044511, 8089022, 16178044, 32356088, 64712176]

約数ペア:

[(1, 64712176), (2, 32356088), (4, 16178044), (8, 8089022), (16, 4044511), (19, 3405904), (38, 1702952), (76, 851476), (152, 425738), (304, 212869)]