201719485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1409}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 280195200

約数和(自身を除く): 78475715

約数列:

[1, 5, 11, 19, 55, 95, 137, 209, 685, 1045, 1409, 1507, 2603, 7045, 7535, 13015, 15499, 26771, 28633, 77495, 133855, 143165, 193033, 294481, 965165, 1472405, 2123363, 3667627, 10616815, 18338135, 40343897, 201719485]

約数ペア:

[(1, 201719485), (5, 40343897), (11, 18338135), (19, 10616815), (55, 3667627), (95, 2123363), (137, 1472405), (209, 965165), (685, 294481), (1045, 193033), (1409, 143165), (1507, 133855), (2603, 77495), (7045, 28633), (7535, 26771), (13015, 15499)]