31687278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{5507}}^1$

素因数の和:5656

約数の個数: 32

約数和(自身を含む): 72969984

約数和(自身を除く): 41282706

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 411, 822, 959, 1918, 2877, 5507, 5754, 11014, 16521, 33042, 38549, 77098, 115647, 231294, 754459, 1508918, 2263377, 4526754, 5281213, 10562426, 15843639, 31687278]

約数ペア:

[(1, 31687278), (2, 15843639), (3, 10562426), (6, 5281213), (7, 4526754), (14, 2263377), (21, 1508918), (42, 754459), (137, 231294), (274, 115647), (411, 77098), (822, 38549), (959, 33042), (1918, 16521), (2877, 11014), (5507, 5754)]