138313984

素因数分解:

$2^8\times {\mathrm{409}}^1\times {\mathrm{1321}}^1$

素因数の和:1746

約数の個数: 36

約数和(自身を含む): 276972220

約数和(自身を除く): 138658236

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 409, 818, 1321, 1636, 2642, 3272, 5284, 6544, 10568, 13088, 21136, 26176, 42272, 52352, 84544, 104704, 169088, 338176, 540289, 1080578, 2161156, 4322312, 8644624, 17289248, 34578496, 69156992, 138313984]

約数ペア:

[(1, 138313984), (2, 69156992), (4, 34578496), (8, 17289248), (16, 8644624), (32, 4322312), (64, 2161156), (128, 1080578), (256, 540289), (409, 338176), (818, 169088), (1321, 104704), (1636, 84544), (2642, 52352), (3272, 42272), (5284, 26176), (6544, 21136), (10568, 13088)]