138402385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2957}}^1$

素因数の和:3033

約数の個数: 32

約数和(自身を含む): 194234112

約数和(自身を除く): 55831727

約数列:

[1, 5, 11, 23, 37, 55, 115, 185, 253, 407, 851, 1265, 2035, 2957, 4255, 9361, 14785, 32527, 46805, 68011, 109409, 162635, 340055, 547045, 748121, 1203499, 2516407, 3740605, 6017495, 12582035, 27680477, 138402385]

約数ペア:

[(1, 138402385), (5, 27680477), (11, 12582035), (23, 6017495), (37, 3740605), (55, 2516407), (115, 1203499), (185, 748121), (253, 547045), (407, 340055), (851, 162635), (1265, 109409), (2035, 68011), (2957, 46805), (4255, 32527), (9361, 14785)]