31498914

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 70041600

約数和(自身を除く): 38542686

約数列:

[1, 2, 3, 6, 23, 31, 37, 46, 62, 69, 74, 93, 111, 138, 186, 199, 222, 398, 597, 713, 851, 1147, 1194, 1426, 1702, 2139, 2294, 2553, 3441, 4278, 4577, 5106, 6169, 6882, 7363, 9154, 12338, 13731, 14726, 18507, 22089, 26381, 27462, 37014, 44178, 52762, 79143, 141887, 158286, 169349, 228253, 283774, 338698, 425661, 456506, 508047, 684759, 851322, 1016094, 1369518, 5249819, 10499638, 15749457, 31498914]

約数ペア:

[(1, 31498914), (2, 15749457), (3, 10499638), (6, 5249819), (23, 1369518), (31, 1016094), (37, 851322), (46, 684759), (62, 508047), (69, 456506), (74, 425661), (93, 338698), (111, 283774), (138, 228253), (186, 169349), (199, 158286), (222, 141887), (398, 79143), (597, 52762), (713, 44178), (851, 37014), (1147, 27462), (1194, 26381), (1426, 22089), (1702, 18507), (2139, 14726), (2294, 13731), (2553, 12338), (3441, 9154), (4278, 7363), (4577, 6882), (5106, 6169)]