2106981890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{36097}}^1$

素因数の和:36566

約数の個数: 32

約数和(自身を含む): 4093513200

約数和(自身を除く): 1986531310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 898, 2245, 4490, 5837, 11674, 29185, 36097, 58370, 72194, 180485, 360970, 469261, 938522, 2346305, 4692610, 16207553, 32415106, 81037765, 162075530, 210698189, 421396378, 1053490945, 2106981890]

約数ペア:

[(1, 2106981890), (2, 1053490945), (5, 421396378), (10, 210698189), (13, 162075530), (26, 81037765), (65, 32415106), (130, 16207553), (449, 4692610), (898, 2346305), (2245, 938522), (4490, 469261), (5837, 360970), (11674, 180485), (29185, 72194), (36097, 58370)]