25438425

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 44104320

約数和(自身を除く): 18665895

約数列:

[1, 3, 5, 15, 25, 37, 75, 89, 103, 111, 185, 267, 309, 445, 515, 555, 925, 1335, 1545, 2225, 2575, 2775, 3293, 3811, 6675, 7725, 9167, 9879, 11433, 16465, 19055, 27501, 45835, 49395, 57165, 82325, 95275, 137505, 229175, 246975, 285825, 339179, 687525, 1017537, 1695895, 5087685, 8479475, 25438425]

約数ペア:

[(1, 25438425), (3, 8479475), (5, 5087685), (15, 1695895), (25, 1017537), (37, 687525), (75, 339179), (89, 285825), (103, 246975), (111, 229175), (185, 137505), (267, 95275), (309, 82325), (445, 57165), (515, 49395), (555, 45835), (925, 27501), (1335, 19055), (1545, 16465), (2225, 11433), (2575, 9879), (2775, 9167), (3293, 7725), (3811, 6675)]