212493995

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1297}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 303046656

約数和(自身を除く): 90552661

約数列:

[1, 5, 7, 31, 35, 151, 155, 217, 755, 1057, 1085, 1297, 4681, 5285, 6485, 9079, 23405, 32767, 40207, 45395, 163835, 195847, 201035, 281449, 979235, 1370929, 1407245, 6071257, 6854645, 30356285, 42498799, 212493995]

約数ペア:

[(1, 212493995), (5, 42498799), (7, 30356285), (31, 6854645), (35, 6071257), (151, 1407245), (155, 1370929), (217, 979235), (755, 281449), (1057, 201035), (1085, 195847), (1297, 163835), (4681, 45395), (5285, 40207), (6485, 32767), (9079, 23405)]