91038475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 129991680

約数和(自身を除く): 38953205

約数列:

[1, 5, 11, 25, 31, 55, 59, 155, 181, 275, 295, 341, 649, 775, 905, 1475, 1705, 1829, 1991, 3245, 4525, 5611, 8525, 9145, 9955, 10679, 16225, 20119, 28055, 45725, 49775, 53395, 61721, 100595, 117469, 140275, 266975, 308605, 331049, 502975, 587345, 1543025, 1655245, 2936725, 3641539, 8276225, 18207695, 91038475]

約数ペア:

[(1, 91038475), (5, 18207695), (11, 8276225), (25, 3641539), (31, 2936725), (55, 1655245), (59, 1543025), (155, 587345), (181, 502975), (275, 331049), (295, 308605), (341, 266975), (649, 140275), (775, 117469), (905, 100595), (1475, 61721), (1705, 53395), (1829, 49775), (1991, 45725), (3245, 28055), (4525, 20119), (5611, 16225), (8525, 10679), (9145, 9955)]