2021621875

素因数分解:

$5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7109}}^1$

素因数の和:7154

約数の個数: 48

約数和(自身を含む): 3110425920

約数和(自身を除く): 1088804045

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 875, 1625, 2275, 3125, 4375, 7109, 8125, 11375, 21875, 35545, 40625, 49763, 56875, 92417, 177725, 248815, 284375, 462085, 646919, 888625, 1244075, 2310425, 3234595, 4443125, 6220375, 11552125, 16172975, 22215625, 31101875, 57760625, 80864875, 155509375, 288803125, 404324375, 2021621875]

約数ペア:

[(1, 2021621875), (5, 404324375), (7, 288803125), (13, 155509375), (25, 80864875), (35, 57760625), (65, 31101875), (91, 22215625), (125, 16172975), (175, 11552125), (325, 6220375), (455, 4443125), (625, 3234595), (875, 2310425), (1625, 1244075), (2275, 888625), (3125, 646919), (4375, 462085), (7109, 284375), (8125, 248815), (11375, 177725), (21875, 92417), (35545, 56875), (40625, 49763)]