66249775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 36

約数和(自身を含む): 89427312

約数和(自身を除く): 23177537

約数列:

[1, 5, 23, 25, 29, 115, 137, 145, 575, 667, 685, 725, 841, 3151, 3335, 3425, 3973, 4205, 15755, 16675, 19343, 19865, 21025, 78775, 91379, 96715, 99325, 115217, 456895, 483575, 576085, 2284475, 2649991, 2880425, 13249955, 66249775]

約数ペア:

[(1, 66249775), (5, 13249955), (23, 2880425), (25, 2649991), (29, 2284475), (115, 576085), (137, 483575), (145, 456895), (575, 115217), (667, 99325), (685, 96715), (725, 91379), (841, 78775), (3151, 21025), (3335, 19865), (3425, 19343), (3973, 16675), (4205, 15755)]