255379128865

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{983}}^1\times {\mathrm{1607}}^1$

素因数の和:2782

約数の個数: 64

約数和(自身を含む): 364555468800

約数和(自身を除く): 109176339935

約数列:

[1, 5, 7, 31, 35, 149, 155, 217, 745, 983, 1043, 1085, 1607, 4619, 4915, 5215, 6881, 8035, 11249, 23095, 30473, 32333, 34405, 49817, 56245, 146467, 152365, 161665, 213311, 239443, 249085, 348719, 732335, 1025269, 1066555, 1197215, 1579681, 1676101, 1743595, 4540477, 5126345, 7422733, 7898405, 8380505, 11057767, 22702385, 31783339, 37113665, 48970111, 51959131, 55288835, 158916695, 235372469, 244850555, 259795655, 342790777, 1176862345, 1647607283, 1713953885, 7296546539, 8238036415, 36482732695, 51075825773, 255379128865]

約数ペア:

[(1, 255379128865), (5, 51075825773), (7, 36482732695), (31, 8238036415), (35, 7296546539), (149, 1713953885), (155, 1647607283), (217, 1176862345), (745, 342790777), (983, 259795655), (1043, 244850555), (1085, 235372469), (1607, 158916695), (4619, 55288835), (4915, 51959131), (5215, 48970111), (6881, 37113665), (8035, 31783339), (11249, 22702385), (23095, 11057767), (30473, 8380505), (32333, 7898405), (34405, 7422733), (49817, 5126345), (56245, 4540477), (146467, 1743595), (152365, 1676101), (161665, 1579681), (213311, 1197215), (239443, 1066555), (249085, 1025269), (348719, 732335)]