12912811255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{6679}}^1$

素因数の和:7183

約数の個数: 32

約数和(自身を含む): 16698931200

約数和(自身を除く): 3786119945

約数列:

[1, 5, 19, 47, 95, 235, 433, 893, 2165, 4465, 6679, 8227, 20351, 33395, 41135, 101755, 126901, 313913, 386669, 634505, 1569565, 1933345, 2892007, 5964347, 14460035, 29821735, 54948133, 135924329, 274740665, 679621645, 2582562251, 12912811255]

約数ペア:

[(1, 12912811255), (5, 2582562251), (19, 679621645), (47, 274740665), (95, 135924329), (235, 54948133), (433, 29821735), (893, 14460035), (2165, 5964347), (4465, 2892007), (6679, 1933345), (8227, 1569565), (20351, 634505), (33395, 386669), (41135, 313913), (101755, 126901)]