90859405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{503}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 134797824

約数和(自身を除く): 43938419

約数列:

[1, 5, 7, 13, 35, 65, 91, 397, 455, 503, 1985, 2515, 2779, 3521, 5161, 6539, 13895, 17605, 25805, 32695, 36127, 45773, 180635, 199691, 228865, 998455, 1397837, 2595983, 6989185, 12979915, 18171881, 90859405]

約数ペア:

[(1, 90859405), (5, 18171881), (7, 12979915), (13, 6989185), (35, 2595983), (65, 1397837), (91, 998455), (397, 228865), (455, 199691), (503, 180635), (1985, 45773), (2515, 36127), (2779, 32695), (3521, 25805), (5161, 17605), (6539, 13895)]