131953205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 170311680

約数和(自身を除く): 38358475

約数列:

[1, 5, 31, 47, 59, 155, 235, 295, 307, 1457, 1535, 1829, 2773, 7285, 9145, 9517, 13865, 14429, 18113, 47585, 72145, 85963, 90565, 429815, 447299, 561503, 851311, 2236495, 2807515, 4256555, 26390641, 131953205]

約数ペア:

[(1, 131953205), (5, 26390641), (31, 4256555), (47, 2807515), (59, 2236495), (155, 851311), (235, 561503), (295, 447299), (307, 429815), (1457, 90565), (1535, 85963), (1829, 72145), (2773, 47585), (7285, 18113), (9145, 14429), (9517, 13865)]