256119145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{467}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 339655680

約数和(自身を除く): 83536535

約数列:

[1, 5, 19, 23, 95, 115, 251, 437, 467, 1255, 2185, 2335, 4769, 5773, 8873, 10741, 23845, 28865, 44365, 53705, 109687, 117217, 204079, 548435, 586085, 1020395, 2227123, 2695991, 11135615, 13479955, 51223829, 256119145]

約数ペア:

[(1, 256119145), (5, 51223829), (19, 13479955), (23, 11135615), (95, 2695991), (115, 2227123), (251, 1020395), (437, 586085), (467, 548435), (1255, 204079), (2185, 117217), (2335, 109687), (4769, 53705), (5773, 44365), (8873, 28865), (10741, 23845)]