55580551

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^2$

素因数の和:263

約数の個数: 18

約数和(自身を含む): 62735328

約数和(自身を除く): 7154777

約数列:

[1, 13, 31, 103, 169, 403, 1339, 3193, 5239, 10609, 17407, 41509, 137917, 328879, 539617, 1792921, 4275427, 55580551]

約数ペア:

[(1, 55580551), (13, 4275427), (31, 1792921), (103, 539617), (169, 328879), (403, 137917), (1339, 41509), (3193, 17407), (5239, 10609)]