28020939265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{3527}}^1$

素因数の和:3882

約数の個数: 64

約数和(自身を含む): 40327580160

約数和(自身を除く): 12306640895

約数列:

[1, 5, 11, 17, 29, 55, 85, 145, 187, 293, 319, 493, 935, 1465, 1595, 2465, 3223, 3527, 4981, 5423, 8497, 16115, 17635, 24905, 27115, 38797, 42485, 54791, 59959, 93467, 102283, 144449, 193985, 273955, 299795, 467335, 511415, 659549, 722245, 1033411, 1125113, 1588939, 1738811, 3297745, 5167055, 5625565, 7944695, 8694055, 11367521, 17567987, 19126921, 29968919, 56837605, 87839935, 95634605, 149844595, 193247857, 329658109, 509471623, 966239285, 1648290545, 2547358115, 5604187853, 28020939265]

約数ペア:

[(1, 28020939265), (5, 5604187853), (11, 2547358115), (17, 1648290545), (29, 966239285), (55, 509471623), (85, 329658109), (145, 193247857), (187, 149844595), (293, 95634605), (319, 87839935), (493, 56837605), (935, 29968919), (1465, 19126921), (1595, 17567987), (2465, 11367521), (3223, 8694055), (3527, 7944695), (4981, 5625565), (5423, 5167055), (8497, 3297745), (16115, 1738811), (17635, 1588939), (24905, 1125113), (27115, 1033411), (38797, 722245), (42485, 659549), (54791, 511415), (59959, 467335), (93467, 299795), (102283, 273955), (144449, 193985)]