17078719

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 21712896

約数和(自身を除く): 4634177

約数列:

[1, 7, 23, 37, 47, 61, 161, 259, 329, 427, 851, 1081, 1403, 1739, 2257, 2867, 5957, 7567, 9821, 12173, 15799, 20069, 39997, 51911, 65941, 106079, 279979, 363377, 461587, 742553, 2439817, 17078719]

約数ペア:

[(1, 17078719), (7, 2439817), (23, 742553), (37, 461587), (47, 363377), (61, 279979), (161, 106079), (259, 65941), (329, 51911), (427, 39997), (851, 20069), (1081, 15799), (1403, 12173), (1739, 9821), (2257, 7567), (2867, 5957)]