1234905985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 1555706880

約数和(自身を除く): 320800895

約数列:

[1, 5, 29, 145, 181, 211, 223, 905, 1055, 1115, 5249, 6119, 6467, 26245, 30595, 32335, 38191, 40363, 47053, 190955, 201815, 235265, 1107539, 1170527, 1364537, 5537695, 5852635, 6822685, 8516593, 42582965, 246981197, 1234905985]

約数ペア:

[(1, 1234905985), (5, 246981197), (29, 42582965), (145, 8516593), (181, 6822685), (211, 5852635), (223, 5537695), (905, 1364537), (1055, 1170527), (1115, 1107539), (5249, 235265), (6119, 201815), (6467, 190955), (26245, 47053), (30595, 40363), (32335, 38191)]