661708

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 1264032

約数和(自身を除く): 602324

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 263, 526, 629, 1052, 1258, 2516, 4471, 8942, 9731, 17884, 19462, 38924, 165427, 330854, 661708]

約数ペア:

[(1, 661708), (2, 330854), (4, 165427), (17, 38924), (34, 19462), (37, 17884), (68, 9731), (74, 8942), (148, 4471), (263, 2516), (526, 1258), (629, 1052)]