81657992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{11719}}^1$

素因数の和:11805

約数の個数: 32

約数和(自身を含む): 167361600

約数和(自身を除く): 85703608

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 11719, 23438, 46876, 93752, 152347, 304694, 609388, 785173, 1218776, 1570346, 3140692, 6281384, 10207249, 20414498, 40828996, 81657992]

約数ペア:

[(1, 81657992), (2, 40828996), (4, 20414498), (8, 10207249), (13, 6281384), (26, 3140692), (52, 1570346), (67, 1218776), (104, 785173), (134, 609388), (268, 304694), (536, 152347), (871, 93752), (1742, 46876), (3484, 23438), (6968, 11719)]