290659408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{13567}}^1$

素因数の和:13691

約数の個数: 40

約数和(自身を含む): 612405248

約数和(自身を除く): 321745840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 5356, 10712, 13567, 21424, 27134, 54268, 108536, 176371, 217072, 352742, 705484, 1397401, 1410968, 2794802, 2821936, 5589604, 11179208, 18166213, 22358416, 36332426, 72664852, 145329704, 290659408]

約数ペア:

[(1, 290659408), (2, 145329704), (4, 72664852), (8, 36332426), (13, 22358416), (16, 18166213), (26, 11179208), (52, 5589604), (103, 2821936), (104, 2794802), (206, 1410968), (208, 1397401), (412, 705484), (824, 352742), (1339, 217072), (1648, 176371), (2678, 108536), (5356, 54268), (10712, 27134), (13567, 21424)]