2158365872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{154877}}^1$

素因数の和:154965

約数の個数: 40

約数和(自身を含む): 4570759536

約数和(自身を除く): 2412393664

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 6968, 13936, 154877, 309754, 619508, 1239016, 2013401, 2478032, 4026802, 8053604, 10376759, 16107208, 20753518, 32214416, 41507036, 83014072, 134897867, 166028144, 269795734, 539591468, 1079182936, 2158365872]

約数ペア:

[(1, 2158365872), (2, 1079182936), (4, 539591468), (8, 269795734), (13, 166028144), (16, 134897867), (26, 83014072), (52, 41507036), (67, 32214416), (104, 20753518), (134, 16107208), (208, 10376759), (268, 8053604), (536, 4026802), (871, 2478032), (1072, 2013401), (1742, 1239016), (3484, 619508), (6968, 309754), (13936, 154877)]