2221147775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{10211}}^1$

素因数の和:10352

約数の個数: 48

約数和(自身を含む): 3464563968

約数和(自身を除く): 1243416193

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 113, 175, 275, 385, 565, 791, 1243, 1925, 2825, 3955, 6215, 8701, 10211, 19775, 31075, 43505, 51055, 71477, 112321, 217525, 255275, 357385, 561605, 786247, 1153843, 1786925, 2808025, 3931235, 5769215, 8076901, 12692273, 19656175, 28846075, 40384505, 63461365, 88845911, 201922525, 317306825, 444229555, 2221147775]

約数ペア:

[(1, 2221147775), (5, 444229555), (7, 317306825), (11, 201922525), (25, 88845911), (35, 63461365), (55, 40384505), (77, 28846075), (113, 19656175), (175, 12692273), (275, 8076901), (385, 5769215), (565, 3931235), (791, 2808025), (1243, 1786925), (1925, 1153843), (2825, 786247), (3955, 561605), (6215, 357385), (8701, 255275), (10211, 217525), (19775, 112321), (31075, 71477), (43505, 51055)]