2021822855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{953}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 2646411264

約数和(自身を除く): 624588409

約数列:

[1, 5, 13, 65, 127, 257, 635, 953, 1285, 1651, 3341, 4765, 8255, 12389, 16705, 32639, 61945, 121031, 163195, 244921, 424307, 605155, 1224605, 1573403, 2121535, 3183973, 7867015, 15919865, 31104967, 155524835, 404364571, 2021822855]

約数ペア:

[(1, 2021822855), (5, 404364571), (13, 155524835), (65, 31104967), (127, 15919865), (257, 7867015), (635, 3183973), (953, 2121535), (1285, 1573403), (1651, 1224605), (3341, 605155), (4765, 424307), (8255, 244921), (12389, 163195), (16705, 121031), (32639, 61945)]