31212412

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 71705088

約数和(自身を除く): 40492676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 49, 62, 77, 98, 124, 154, 196, 217, 308, 341, 434, 467, 539, 682, 868, 934, 1078, 1364, 1519, 1868, 2156, 2387, 3038, 3269, 4774, 5137, 6076, 6538, 9548, 10274, 13076, 14477, 16709, 20548, 22883, 28954, 33418, 35959, 45766, 57908, 66836, 71918, 91532, 101339, 143836, 159247, 202678, 251713, 318494, 405356, 503426, 636988, 709373, 1006852, 1114729, 1418746, 2229458, 2837492, 4458916, 7803103, 15606206, 31212412]

約数ペア:

[(1, 31212412), (2, 15606206), (4, 7803103), (7, 4458916), (11, 2837492), (14, 2229458), (22, 1418746), (28, 1114729), (31, 1006852), (44, 709373), (49, 636988), (62, 503426), (77, 405356), (98, 318494), (124, 251713), (154, 202678), (196, 159247), (217, 143836), (308, 101339), (341, 91532), (434, 71918), (467, 66836), (539, 57908), (682, 45766), (868, 35959), (934, 33418), (1078, 28954), (1364, 22883), (1519, 20548), (1868, 16709), (2156, 14477), (2387, 13076), (3038, 10274), (3269, 9548), (4774, 6538), (5137, 6076)]