81431644

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{153067}}^1$

素因数の和:153097

約数の個数: 24

約数和(自身を含む): 171436160

約数和(自身を除く): 90004516

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 153067, 306134, 612268, 1071469, 2142938, 2908273, 4285876, 5816546, 11633092, 20357911, 40715822, 81431644]

約数ペア:

[(1, 81431644), (2, 40715822), (4, 20357911), (7, 11633092), (14, 5816546), (19, 4285876), (28, 2908273), (38, 2142938), (76, 1071469), (133, 612268), (266, 306134), (532, 153067)]