74821981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 91203840

約数和(自身を除く): 16381859

約数列:

[1, 13, 17, 19, 103, 173, 221, 247, 323, 1339, 1751, 1957, 2249, 2941, 3287, 4199, 17819, 22763, 25441, 33269, 38233, 42731, 55879, 231647, 302923, 338561, 432497, 726427, 3937999, 4401293, 5755537, 74821981]

約数ペア:

[(1, 74821981), (13, 5755537), (17, 4401293), (19, 3937999), (103, 726427), (173, 432497), (221, 338561), (247, 302923), (323, 231647), (1339, 55879), (1751, 42731), (1957, 38233), (2249, 33269), (2941, 25441), (3287, 22763), (4199, 17819)]