261040615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 354650112

約数和(自身を除く): 93609497

約数列:

[1, 5, 11, 31, 55, 155, 283, 341, 541, 1415, 1705, 2705, 3113, 5951, 8773, 15565, 16771, 29755, 43865, 83855, 96503, 153103, 184481, 482515, 765515, 922405, 1684133, 4746193, 8420665, 23730965, 52208123, 261040615]

約数ペア:

[(1, 261040615), (5, 52208123), (11, 23730965), (31, 8420665), (55, 4746193), (155, 1684133), (283, 922405), (341, 765515), (541, 482515), (1415, 184481), (1705, 153103), (2705, 96503), (3113, 83855), (5951, 43865), (8773, 29755), (15565, 16771)]