72781438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{26237}}^1$

素因数の和:26331

約数の個数: 16

約数和(自身を含む): 116496720

約数和(自身を除く): 43715282

約数列:

[1, 2, 19, 38, 73, 146, 1387, 2774, 26237, 52474, 498503, 997006, 1915301, 3830602, 36390719, 72781438]

約数ペア:

[(1, 72781438), (2, 36390719), (19, 3830602), (38, 1915301), (73, 997006), (146, 498503), (1387, 52474), (2774, 26237)]