133471492

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2057

約数の個数: 72

約数和(自身を含む): 306125568

約数和(自身を除く): 172654076

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 49, 62, 77, 98, 124, 154, 196, 217, 308, 341, 434, 539, 682, 868, 1078, 1364, 1519, 1997, 2156, 2387, 3038, 3994, 4774, 6076, 7988, 9548, 13979, 16709, 21967, 27958, 33418, 43934, 55916, 61907, 66836, 87868, 97853, 123814, 153769, 195706, 247628, 307538, 391412, 433349, 615076, 680977, 866698, 1076383, 1361954, 1733396, 2152766, 2723908, 3033443, 4305532, 4766839, 6066886, 9533678, 12133772, 19067356, 33367873, 66735746, 133471492]

約数ペア:

[(1, 133471492), (2, 66735746), (4, 33367873), (7, 19067356), (11, 12133772), (14, 9533678), (22, 6066886), (28, 4766839), (31, 4305532), (44, 3033443), (49, 2723908), (62, 2152766), (77, 1733396), (98, 1361954), (124, 1076383), (154, 866698), (196, 680977), (217, 615076), (308, 433349), (341, 391412), (434, 307538), (539, 247628), (682, 195706), (868, 153769), (1078, 123814), (1364, 97853), (1519, 87868), (1997, 66836), (2156, 61907), (2387, 55916), (3038, 43934), (3994, 33418), (4774, 27958), (6076, 21967), (7988, 16709), (9548, 13979)]