1861487131

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{619}}^1\times {\mathrm{683}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 2320565760

約数和(自身を除く): 459078629

約数列:

[1, 7, 17, 37, 119, 259, 619, 629, 683, 4333, 4403, 4781, 10523, 11611, 22903, 25271, 73661, 81277, 160321, 176897, 389351, 422777, 429607, 2725457, 2959439, 3007249, 7187209, 15642749, 50310463, 109499243, 265926733, 1861487131]

約数ペア:

[(1, 1861487131), (7, 265926733), (17, 109499243), (37, 50310463), (119, 15642749), (259, 7187209), (619, 3007249), (629, 2959439), (683, 2725457), (4333, 429607), (4403, 422777), (4781, 389351), (10523, 176897), (11611, 160321), (22903, 81277), (25271, 73661)]