645088

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1090

約数の個数: 24

約数和(自身を含む): 1338120

約数和(自身を除く): 693032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 1061, 2122, 4244, 8488, 16976, 20159, 33952, 40318, 80636, 161272, 322544, 645088]

約数ペア:

[(1, 645088), (2, 322544), (4, 161272), (8, 80636), (16, 40318), (19, 33952), (32, 20159), (38, 16976), (76, 8488), (152, 4244), (304, 2122), (608, 1061)]