639156952

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{170351}}^1$

素因数の和:170431

約数の個数: 32

約数和(自身を含む): 1390072320

約数和(自身を除く): 750915368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 170351, 340702, 681404, 1192457, 1362808, 2384914, 4769828, 9539656, 11413517, 22827034, 45654068, 79894619, 91308136, 159789238, 319578476, 639156952]

約数ペア:

[(1, 639156952), (2, 319578476), (4, 159789238), (7, 91308136), (8, 79894619), (14, 45654068), (28, 22827034), (56, 11413517), (67, 9539656), (134, 4769828), (268, 2384914), (469, 1362808), (536, 1192457), (938, 681404), (1876, 340702), (3752, 170351)]