31495312

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 64633760

約数和(自身を除く): 33138448

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 313, 331, 626, 662, 1252, 1324, 2504, 2648, 5008, 5296, 5947, 6289, 11894, 12578, 23788, 25156, 47576, 50312, 95152, 100624, 103603, 207206, 414412, 828824, 1657648, 1968457, 3936914, 7873828, 15747656, 31495312]

約数ペア:

[(1, 31495312), (2, 15747656), (4, 7873828), (8, 3936914), (16, 1968457), (19, 1657648), (38, 828824), (76, 414412), (152, 207206), (304, 103603), (313, 100624), (331, 95152), (626, 50312), (662, 47576), (1252, 25156), (1324, 23788), (2504, 12578), (2648, 11894), (5008, 6289), (5296, 5947)]