31321675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 49496832

約数和(自身を除く): 18175157

約数列:

[1, 5, 7, 11, 25, 35, 53, 55, 77, 175, 265, 275, 307, 371, 385, 583, 1325, 1535, 1855, 1925, 2149, 2915, 3377, 4081, 7675, 9275, 10745, 14575, 16271, 16885, 20405, 23639, 53725, 81355, 84425, 102025, 113897, 118195, 178981, 406775, 569485, 590975, 894905, 1252867, 2847425, 4474525, 6264335, 31321675]

約数ペア:

[(1, 31321675), (5, 6264335), (7, 4474525), (11, 2847425), (25, 1252867), (35, 894905), (53, 590975), (55, 569485), (77, 406775), (175, 178981), (265, 118195), (275, 113897), (307, 102025), (371, 84425), (385, 81355), (583, 53725), (1325, 23639), (1535, 20405), (1855, 16885), (1925, 16271), (2149, 14575), (2915, 10745), (3377, 9275), (4081, 7675)]