180128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:456

約数の個数: 24

約数和(自身を含む): 382788

約数和(自身を除く): 202660

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 433, 866, 1732, 3464, 5629, 6928, 11258, 13856, 22516, 45032, 90064, 180128]

約数ペア:

[(1, 180128), (2, 90064), (4, 45032), (8, 22516), (13, 13856), (16, 11258), (26, 6928), (32, 5629), (52, 3464), (104, 1732), (208, 866), (416, 433)]