1921000529

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 2488320000

約数和(自身を除く): 567319471

約数列:

[1, 7, 19, 31, 53, 59, 133, 149, 217, 371, 413, 589, 1007, 1043, 1121, 1643, 1829, 2831, 3127, 4123, 4619, 7049, 7847, 7897, 8791, 11501, 12803, 19817, 21889, 31217, 32333, 34751, 55279, 59413, 61537, 87761, 96937, 150043, 167029, 218519, 243257, 244807, 272521, 415891, 465923, 614327, 678559, 1050301, 1169203, 1713649, 1841803, 1907647, 3261461, 4651333, 5177899, 8852537, 12892621, 14443613, 32559331, 36245293, 61967759, 101105291, 274428647, 1921000529]

約数ペア:

[(1, 1921000529), (7, 274428647), (19, 101105291), (31, 61967759), (53, 36245293), (59, 32559331), (133, 14443613), (149, 12892621), (217, 8852537), (371, 5177899), (413, 4651333), (589, 3261461), (1007, 1907647), (1043, 1841803), (1121, 1713649), (1643, 1169203), (1829, 1050301), (2831, 678559), (3127, 614327), (4123, 465923), (4619, 415891), (7049, 272521), (7847, 244807), (7897, 243257), (8791, 218519), (11501, 167029), (12803, 150043), (19817, 96937), (21889, 87761), (31217, 61537), (32333, 59413), (34751, 55279)]