201317995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 266607936

約数和(自身を除く): 65289941

約数列:

[1, 5, 17, 41, 61, 85, 205, 305, 697, 947, 1037, 2501, 3485, 4735, 5185, 12505, 16099, 38827, 42517, 57767, 80495, 194135, 212585, 288835, 660059, 982039, 2368447, 3300295, 4910195, 11842235, 40263599, 201317995]

約数ペア:

[(1, 201317995), (5, 40263599), (17, 11842235), (41, 4910195), (61, 3300295), (85, 2368447), (205, 982039), (305, 660059), (697, 288835), (947, 212585), (1037, 194135), (2501, 80495), (3485, 57767), (4735, 42517), (5185, 38827), (12505, 16099)]