201688255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 263450880

約数和(自身を除く): 61762625

約数列:

[1, 5, 17, 59, 85, 131, 295, 307, 655, 1003, 1535, 2227, 5015, 5219, 7729, 11135, 18113, 26095, 38645, 40217, 90565, 131393, 201085, 307921, 656965, 683689, 1539605, 2372803, 3418445, 11864015, 40337651, 201688255]

約数ペア:

[(1, 201688255), (5, 40337651), (17, 11864015), (59, 3418445), (85, 2372803), (131, 1539605), (295, 683689), (307, 656965), (655, 307921), (1003, 201085), (1535, 131393), (2227, 90565), (5015, 40217), (5219, 38645), (7729, 26095), (11135, 18113)]