81453164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{4133}}^1$

素因数の和:4529

約数の個数: 24

約数和(自身を含む): 153950160

約数和(自身を除く): 72496996

約数列:

[1, 2, 4, 13, 26, 52, 379, 758, 1516, 4133, 4927, 8266, 9854, 16532, 19708, 53729, 107458, 214916, 1566407, 3132814, 6265628, 20363291, 40726582, 81453164]

約数ペア:

[(1, 81453164), (2, 40726582), (4, 20363291), (13, 6265628), (26, 3132814), (52, 1566407), (379, 214916), (758, 107458), (1516, 53729), (4133, 19708), (4927, 16532), (8266, 9854)]