28009904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{433}}^1$

素因数の和:765

約数の個数: 40

約数和(自身を含む): 58767072

約数和(自身を除く): 30757168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311, 433, 622, 866, 1244, 1732, 2488, 3464, 4043, 4976, 5629, 6928, 8086, 11258, 16172, 22516, 32344, 45032, 64688, 90064, 134663, 269326, 538652, 1077304, 1750619, 2154608, 3501238, 7002476, 14004952, 28009904]

約数ペア:

[(1, 28009904), (2, 14004952), (4, 7002476), (8, 3501238), (13, 2154608), (16, 1750619), (26, 1077304), (52, 538652), (104, 269326), (208, 134663), (311, 90064), (433, 64688), (622, 45032), (866, 32344), (1244, 22516), (1732, 16172), (2488, 11258), (3464, 8086), (4043, 6928), (4976, 5629)]