81049535

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 117680640

約数和(自身を除く): 36631105

約数列:

[1, 5, 7, 19, 35, 95, 133, 307, 397, 665, 1535, 1985, 2149, 2779, 5833, 7543, 10745, 13895, 29165, 37715, 40831, 52801, 121879, 204155, 264005, 609395, 853153, 2315701, 4265765, 11578505, 16209907, 81049535]

約数ペア:

[(1, 81049535), (5, 16209907), (7, 11578505), (19, 4265765), (35, 2315701), (95, 853153), (133, 609395), (307, 264005), (397, 204155), (665, 121879), (1535, 52801), (1985, 40831), (2149, 37715), (2779, 29165), (5833, 13895), (7543, 10745)]