71991088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{346111}}^1$

素因数の和:346132

約数の個数: 20

約数和(自身を含む): 150212608

約数和(自身を除く): 78221520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 346111, 692222, 1384444, 2768888, 4499443, 5537776, 8998886, 17997772, 35995544, 71991088]

約数ペア:

[(1, 71991088), (2, 35995544), (4, 17997772), (8, 8998886), (13, 5537776), (16, 4499443), (26, 2768888), (52, 1384444), (104, 692222), (208, 346111)]