1971555859

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{601}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 2538224640

約数和(自身を除く): 566668781

約数列:

[1, 7, 13, 47, 59, 91, 169, 329, 413, 601, 611, 767, 1183, 2773, 4207, 4277, 5369, 7813, 7943, 9971, 19411, 28247, 35459, 36049, 54691, 55601, 69797, 101569, 197729, 248213, 252343, 367211, 460967, 468637, 710983, 1666573, 2570477, 3226769, 3280459, 4773743, 5992571, 11666011, 21665449, 33416201, 41947997, 151658143, 281650837, 1971555859]

約数ペア:

[(1, 1971555859), (7, 281650837), (13, 151658143), (47, 41947997), (59, 33416201), (91, 21665449), (169, 11666011), (329, 5992571), (413, 4773743), (601, 3280459), (611, 3226769), (767, 2570477), (1183, 1666573), (2773, 710983), (4207, 468637), (4277, 460967), (5369, 367211), (7813, 252343), (7943, 248213), (9971, 197729), (19411, 101569), (28247, 69797), (35459, 55601), (36049, 54691)]