273788450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{32401}}^1$

素因数の和:32439

約数の個数: 36

約数和(自身を含む): 551449638

約数和(自身を除く): 277661188

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 32401, 64802, 162005, 324010, 421213, 810025, 842426, 1620050, 2106065, 4212130, 5475769, 10530325, 10951538, 21060650, 27378845, 54757690, 136894225, 273788450]

約数ペア:

[(1, 273788450), (2, 136894225), (5, 54757690), (10, 27378845), (13, 21060650), (25, 10951538), (26, 10530325), (50, 5475769), (65, 4212130), (130, 2106065), (169, 1620050), (325, 842426), (338, 810025), (650, 421213), (845, 324010), (1690, 162005), (4225, 64802), (8450, 32401)]