139638436

素因数分解:

$2^2\times 7^2\times {\mathrm{491}}^1\times {\mathrm{1451}}^1$

素因数の和:1960

約数の個数: 36

約数和(自身を含む): 285039216

約数和(自身を除く): 145400780

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 491, 982, 1451, 1964, 2902, 3437, 5804, 6874, 10157, 13748, 20314, 24059, 40628, 48118, 71099, 96236, 142198, 284396, 712441, 1424882, 2849764, 4987087, 9974174, 19948348, 34909609, 69819218, 139638436]

約数ペア:

[(1, 139638436), (2, 69819218), (4, 34909609), (7, 19948348), (14, 9974174), (28, 4987087), (49, 2849764), (98, 1424882), (196, 712441), (491, 284396), (982, 142198), (1451, 96236), (1964, 71099), (2902, 48118), (3437, 40628), (5804, 24059), (6874, 20314), (10157, 13748)]