31141456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1$

素因数の和:1267

約数の個数: 40

約数和(自身を含む): 64281600

約数和(自身を除く): 33140144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 89, 152, 178, 304, 356, 712, 1151, 1424, 1691, 2302, 3382, 4604, 6764, 9208, 13528, 18416, 21869, 27056, 43738, 87476, 102439, 174952, 204878, 349904, 409756, 819512, 1639024, 1946341, 3892682, 7785364, 15570728, 31141456]

約数ペア:

[(1, 31141456), (2, 15570728), (4, 7785364), (8, 3892682), (16, 1946341), (19, 1639024), (38, 819512), (76, 409756), (89, 349904), (152, 204878), (178, 174952), (304, 102439), (356, 87476), (712, 43738), (1151, 27056), (1424, 21869), (1691, 18416), (2302, 13528), (3382, 9208), (4604, 6764)]