72980128

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{175433}}^1$

素因数の和:175456

約数の個数: 24

約数和(自身を含む): 154732788

約数和(自身を除く): 81752660

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 175433, 350866, 701732, 1403464, 2280629, 2806928, 4561258, 5613856, 9122516, 18245032, 36490064, 72980128]

約数ペア:

[(1, 72980128), (2, 36490064), (4, 18245032), (8, 9122516), (13, 5613856), (16, 4561258), (26, 2806928), (32, 2280629), (52, 1403464), (104, 701732), (208, 350866), (416, 175433)]