253502161

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 301086720

約数和(自身を除く): 47584559

約数列:

[1, 11, 19, 47, 131, 197, 209, 517, 893, 1441, 2167, 2489, 3743, 6157, 9259, 9823, 25807, 27379, 41173, 67727, 101849, 116983, 175921, 283877, 490333, 1212929, 1286813, 1935131, 5393663, 13342219, 23045651, 253502161]

約数ペア:

[(1, 253502161), (11, 23045651), (19, 13342219), (47, 5393663), (131, 1935131), (197, 1286813), (209, 1212929), (517, 490333), (893, 283877), (1441, 175921), (2167, 116983), (2489, 101849), (3743, 67727), (6157, 41173), (9259, 27379), (9823, 25807)]