12551990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2153}}^1$

素因数の和:2224

約数の個数: 32

約数和(自身を含む): 25124256

約数和(自身を除く): 12572266

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2153, 2915, 4306, 5830, 10765, 21530, 23683, 47366, 114109, 118415, 228218, 236830, 570545, 1141090, 1255199, 2510398, 6275995, 12551990]

約数ペア:

[(1, 12551990), (2, 6275995), (5, 2510398), (10, 1255199), (11, 1141090), (22, 570545), (53, 236830), (55, 228218), (106, 118415), (110, 114109), (265, 47366), (530, 23683), (583, 21530), (1166, 10765), (2153, 5830), (2915, 4306)]