31163860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17123}}^1$

素因数の和:17152

約数の個数: 48

約数和(自身を含む): 80551296

約数和(自身を除く): 49387436

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 17123, 34246, 68492, 85615, 119861, 171230, 222599, 239722, 342460, 445198, 479444, 599305, 890396, 1112995, 1198610, 1558193, 2225990, 2397220, 3116386, 4451980, 6232772, 7790965, 15581930, 31163860]

約数ペア:

[(1, 31163860), (2, 15581930), (4, 7790965), (5, 6232772), (7, 4451980), (10, 3116386), (13, 2397220), (14, 2225990), (20, 1558193), (26, 1198610), (28, 1112995), (35, 890396), (52, 599305), (65, 479444), (70, 445198), (91, 342460), (130, 239722), (140, 222599), (182, 171230), (260, 119861), (364, 85615), (455, 68492), (910, 34246), (1820, 17123)]