2156907832

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{877}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 4288573440

約数和(自身を除く): 2131665608

約数列:

[1, 2, 4, 8, 31, 47, 62, 94, 124, 188, 211, 248, 376, 422, 844, 877, 1457, 1688, 1754, 2914, 3508, 5828, 6541, 7016, 9917, 11656, 13082, 19834, 26164, 27187, 39668, 41219, 52328, 54374, 79336, 82438, 108748, 164876, 185047, 217496, 307427, 329752, 370094, 614854, 740188, 1229708, 1277789, 1480376, 2459416, 2555578, 5111156, 5736457, 8697209, 10222312, 11472914, 17394418, 22945828, 34788836, 45891656, 69577672, 269613479, 539226958, 1078453916, 2156907832]

約数ペア:

[(1, 2156907832), (2, 1078453916), (4, 539226958), (8, 269613479), (31, 69577672), (47, 45891656), (62, 34788836), (94, 22945828), (124, 17394418), (188, 11472914), (211, 10222312), (248, 8697209), (376, 5736457), (422, 5111156), (844, 2555578), (877, 2459416), (1457, 1480376), (1688, 1277789), (1754, 1229708), (2914, 740188), (3508, 614854), (5828, 370094), (6541, 329752), (7016, 307427), (9917, 217496), (11656, 185047), (13082, 164876), (19834, 108748), (26164, 82438), (27187, 79336), (39668, 54374), (41219, 52328)]