40728191

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{853}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 49190400

約数和(自身を除く): 8462209

約数列:

[1, 7, 19, 133, 359, 853, 2513, 5971, 6821, 16207, 47747, 113449, 306227, 2143589, 5818313, 40728191]

約数ペア:

[(1, 40728191), (7, 5818313), (19, 2143589), (133, 306227), (359, 113449), (853, 47747), (2513, 16207), (5971, 6821)]