215513442

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{2281}}^1$

素因数の和:2499

約数の個数: 48

約数和(自身を含む): 485929080

約数和(自身を除く): 270415638

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 181, 261, 362, 522, 543, 1086, 1629, 2281, 3258, 4562, 5249, 6843, 10498, 13686, 15747, 20529, 31494, 41058, 47241, 66149, 94482, 132298, 198447, 396894, 412861, 595341, 825722, 1190682, 1238583, 2477166, 3715749, 7431498, 11972969, 23945938, 35918907, 71837814, 107756721, 215513442]

約数ペア:

[(1, 215513442), (2, 107756721), (3, 71837814), (6, 35918907), (9, 23945938), (18, 11972969), (29, 7431498), (58, 3715749), (87, 2477166), (174, 1238583), (181, 1190682), (261, 825722), (362, 595341), (522, 412861), (543, 396894), (1086, 198447), (1629, 132298), (2281, 94482), (3258, 66149), (4562, 47241), (5249, 41058), (6843, 31494), (10498, 20529), (13686, 15747)]