31491284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 63974400

約数和(自身を除く): 32483116

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 139, 209, 271, 278, 418, 542, 556, 836, 1084, 1529, 2641, 2981, 3058, 5149, 5282, 5962, 6116, 10298, 10564, 11924, 20596, 29051, 37669, 56639, 58102, 75338, 113278, 116204, 150676, 226556, 414359, 715711, 828718, 1431422, 1657436, 2862844, 7872821, 15745642, 31491284]

約数ペア:

[(1, 31491284), (2, 15745642), (4, 7872821), (11, 2862844), (19, 1657436), (22, 1431422), (38, 828718), (44, 715711), (76, 414359), (139, 226556), (209, 150676), (271, 116204), (278, 113278), (418, 75338), (542, 58102), (556, 56639), (836, 37669), (1084, 29051), (1529, 20596), (2641, 11924), (2981, 10564), (3058, 10298), (5149, 6116), (5282, 5962)]