1991382932

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:502

約数の個数: 144

約数和(自身を含む): 4698751680

約数和(自身を除く): 2707368748

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 173, 196, 209, 266, 281, 308, 346, 418, 532, 539, 562, 692, 836, 931, 1078, 1124, 1211, 1463, 1862, 1903, 1967, 2156, 2422, 2926, 3091, 3287, 3724, 3806, 3934, 4844, 5339, 5852, 6182, 6574, 7612, 7868, 8477, 10241, 10678, 12364, 13148, 13321, 13769, 16954, 20482, 21356, 21637, 23009, 26642, 27538, 33908, 36157, 37373, 40964, 43274, 46018, 48613, 53284, 55076, 58729, 72314, 74746, 86548, 92036, 93247, 97226, 117458, 144628, 149492, 151459, 161063, 186494, 194452, 234916, 253099, 261611, 302918, 322126, 340291, 372988, 411103, 506198, 523222, 534743, 605836, 644252, 680582, 822206, 923647, 1012396, 1046444, 1069486, 1361164, 1644412, 1771693, 1847294, 2138972, 2382037, 2877721, 3543386, 3694588, 3743201, 4764074, 5755442, 6465529, 7086772, 7486402, 9528148, 10160117, 11510884, 12931058, 14972804, 20320234, 25862116, 26202407, 40640468, 45258703, 52404814, 71120819, 90517406, 104809628, 142241638, 181034812, 284483276, 497845733, 995691466, 1991382932]

約数ペア:

[(1, 1991382932), (2, 995691466), (4, 497845733), (7, 284483276), (11, 181034812), (14, 142241638), (19, 104809628), (22, 90517406), (28, 71120819), (38, 52404814), (44, 45258703), (49, 40640468), (76, 26202407), (77, 25862116), (98, 20320234), (133, 14972804), (154, 12931058), (173, 11510884), (196, 10160117), (209, 9528148), (266, 7486402), (281, 7086772), (308, 6465529), (346, 5755442), (418, 4764074), (532, 3743201), (539, 3694588), (562, 3543386), (692, 2877721), (836, 2382037), (931, 2138972), (1078, 1847294), (1124, 1771693), (1211, 1644412), (1463, 1361164), (1862, 1069486), (1903, 1046444), (1967, 1012396), (2156, 923647), (2422, 822206), (2926, 680582), (3091, 644252), (3287, 605836), (3724, 534743), (3806, 523222), (3934, 506198), (4844, 411103), (5339, 372988), (5852, 340291), (6182, 322126), (6574, 302918), (7612, 261611), (7868, 253099), (8477, 234916), (10241, 194452), (10678, 186494), (12364, 161063), (13148, 151459), (13321, 149492), (13769, 144628), (16954, 117458), (20482, 97226), (21356, 93247), (21637, 92036), (23009, 86548), (26642, 74746), (27538, 72314), (33908, 58729), (36157, 55076), (37373, 53284), (40964, 48613), (43274, 46018)]