245514425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1278

約数の個数: 48

約数和(自身を含む): 356820912

約数和(自身を除く): 111306487

約数列:

[1, 5, 13, 17, 25, 37, 65, 85, 185, 221, 325, 425, 481, 629, 925, 1105, 1201, 2405, 3145, 5525, 6005, 8177, 12025, 15613, 15725, 20417, 30025, 40885, 44437, 78065, 102085, 204425, 222185, 265421, 390325, 510425, 577681, 755429, 1110925, 1327105, 2888405, 3777145, 6635525, 9820577, 14442025, 18885725, 49102885, 245514425]

約数ペア:

[(1, 245514425), (5, 49102885), (13, 18885725), (17, 14442025), (25, 9820577), (37, 6635525), (65, 3777145), (85, 2888405), (185, 1327105), (221, 1110925), (325, 755429), (425, 577681), (481, 510425), (629, 390325), (925, 265421), (1105, 222185), (1201, 204425), (2405, 102085), (3145, 78065), (5525, 44437), (6005, 40885), (8177, 30025), (12025, 20417), (15613, 15725)]