264987515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^2\times {\mathrm{211}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 346561488

約数和(自身を除く): 81573973

約数列:

[1, 5, 13, 65, 139, 211, 695, 1055, 1807, 2743, 9035, 13715, 19321, 29329, 96605, 146645, 251173, 381277, 1255865, 1906385, 4076731, 20383655, 52997503, 264987515]

約数ペア:

[(1, 264987515), (5, 52997503), (13, 20383655), (65, 4076731), (139, 1906385), (211, 1255865), (695, 381277), (1055, 251173), (1807, 146645), (2743, 96605), (9035, 29329), (13715, 19321)]