1218219772

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1728

約数の個数: 108

約数和(自身を含む): 2815522752

約数和(自身を除く): 1597302980

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 49, 62, 77, 98, 121, 124, 154, 196, 217, 242, 308, 341, 434, 484, 539, 682, 847, 868, 1078, 1364, 1519, 1657, 1694, 2156, 2387, 3038, 3314, 3388, 3751, 4774, 5929, 6076, 6628, 7502, 9548, 11599, 11858, 15004, 16709, 18227, 23198, 23716, 26257, 33418, 36454, 46396, 51367, 52514, 66836, 72908, 81193, 102734, 105028, 127589, 162386, 183799, 200497, 205468, 255178, 324772, 359569, 367598, 400994, 510356, 565037, 719138, 735196, 801988, 893123, 1130074, 1403479, 1438276, 1786246, 2260148, 2516983, 2806958, 3572492, 3955259, 5033966, 5613916, 6215407, 7910518, 9824353, 10067932, 12430814, 15821036, 19648706, 24861628, 27686813, 39297412, 43507849, 55373626, 87015698, 110747252, 174031396, 304554943, 609109886, 1218219772]

約数ペア:

[(1, 1218219772), (2, 609109886), (4, 304554943), (7, 174031396), (11, 110747252), (14, 87015698), (22, 55373626), (28, 43507849), (31, 39297412), (44, 27686813), (49, 24861628), (62, 19648706), (77, 15821036), (98, 12430814), (121, 10067932), (124, 9824353), (154, 7910518), (196, 6215407), (217, 5613916), (242, 5033966), (308, 3955259), (341, 3572492), (434, 2806958), (484, 2516983), (539, 2260148), (682, 1786246), (847, 1438276), (868, 1403479), (1078, 1130074), (1364, 893123), (1519, 801988), (1657, 735196), (1694, 719138), (2156, 565037), (2387, 510356), (3038, 400994), (3314, 367598), (3388, 359569), (3751, 324772), (4774, 255178), (5929, 205468), (6076, 200497), (6628, 183799), (7502, 162386), (9548, 127589), (11599, 105028), (11858, 102734), (15004, 81193), (16709, 72908), (18227, 66836), (23198, 52514), (23716, 51367), (26257, 46396), (33418, 36454)]