31402679

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 40

約数和(自身を含む): 42351120

約数和(自身を除く): 10948441

約数列:

[1, 7, 11, 29, 41, 49, 77, 203, 287, 319, 343, 451, 539, 1189, 1421, 2009, 2233, 2401, 3157, 3773, 8323, 9947, 13079, 14063, 15631, 22099, 26411, 58261, 69629, 91553, 98441, 109417, 154693, 407827, 640871, 765919, 1082851, 2854789, 4486097, 31402679]

約数ペア:

[(1, 31402679), (7, 4486097), (11, 2854789), (29, 1082851), (41, 765919), (49, 640871), (77, 407827), (203, 154693), (287, 109417), (319, 98441), (343, 91553), (451, 69629), (539, 58261), (1189, 26411), (1421, 22099), (2009, 15631), (2233, 14063), (2401, 13079), (3157, 9947), (3773, 8323)]