31810196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 68693184

約数和(自身を除く): 36882988

約数列:

[1, 2, 4, 11, 17, 22, 23, 34, 43, 44, 46, 68, 86, 92, 172, 187, 253, 374, 391, 473, 506, 731, 748, 782, 946, 989, 1012, 1462, 1564, 1849, 1892, 1978, 2924, 3698, 3956, 4301, 7396, 8041, 8602, 10879, 16082, 16813, 17204, 20339, 21758, 31433, 32164, 33626, 40678, 42527, 43516, 62866, 67252, 81356, 85054, 125732, 170108, 184943, 345763, 369886, 467797, 691526, 722959, 739772, 935594, 1383052, 1445918, 1871188, 2891836, 7952549, 15905098, 31810196]

約数ペア:

[(1, 31810196), (2, 15905098), (4, 7952549), (11, 2891836), (17, 1871188), (22, 1445918), (23, 1383052), (34, 935594), (43, 739772), (44, 722959), (46, 691526), (68, 467797), (86, 369886), (92, 345763), (172, 184943), (187, 170108), (253, 125732), (374, 85054), (391, 81356), (473, 67252), (506, 62866), (731, 43516), (748, 42527), (782, 40678), (946, 33626), (989, 32164), (1012, 31433), (1462, 21758), (1564, 20339), (1849, 17204), (1892, 16813), (1978, 16082), (2924, 10879), (3698, 8602), (3956, 8041), (4301, 7396)]