149207905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{599}}^1\times {\mathrm{647}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 223948800

約数和(自身を除く): 74740895

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 599, 647, 2995, 3235, 4193, 4529, 6589, 7117, 20965, 22645, 32945, 35585, 46123, 49819, 230615, 249095, 387553, 1937765, 2712871, 4263083, 13564355, 21315415, 29841581, 149207905]

約数ペア:

[(1, 149207905), (5, 29841581), (7, 21315415), (11, 13564355), (35, 4263083), (55, 2712871), (77, 1937765), (385, 387553), (599, 249095), (647, 230615), (2995, 49819), (3235, 46123), (4193, 35585), (4529, 32945), (6589, 22645), (7117, 20965)]