217972144

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{80611}}^1$

素因数の和:80645

約数の個数: 30

約数和(自身を含む): 457311876

約数和(自身を除く): 239339732

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 80611, 161222, 322444, 644888, 1047943, 1289776, 2095886, 4191772, 8383544, 13623259, 16767088, 27246518, 54493036, 108986072, 217972144]

約数ペア:

[(1, 217972144), (2, 108986072), (4, 54493036), (8, 27246518), (13, 16767088), (16, 13623259), (26, 8383544), (52, 4191772), (104, 2095886), (169, 1289776), (208, 1047943), (338, 644888), (676, 322444), (1352, 161222), (2704, 80611)]