248700519

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 391248000

約数和(自身を除く): 142547481

約数列:

[1, 3, 9, 19, 43, 57, 129, 149, 171, 227, 387, 447, 681, 817, 1341, 2043, 2451, 2831, 4313, 6407, 7353, 8493, 9761, 12939, 19221, 25479, 29283, 33823, 38817, 57663, 87849, 101469, 121733, 185459, 304407, 365199, 556377, 642637, 1095597, 1454389, 1669131, 1927911, 4363167, 5783733, 13089501, 27633391, 82900173, 248700519]

約数ペア:

[(1, 248700519), (3, 82900173), (9, 27633391), (19, 13089501), (43, 5783733), (57, 4363167), (129, 1927911), (149, 1669131), (171, 1454389), (227, 1095597), (387, 642637), (447, 556377), (681, 365199), (817, 304407), (1341, 185459), (2043, 121733), (2451, 101469), (2831, 87849), (4313, 57663), (6407, 38817), (7353, 33823), (8493, 29283), (9761, 25479), (12939, 19221)]