31454384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1559}}^1$

素因数の和:1677

約数の個数: 40

約数和(自身を含む): 66349920

約数和(自身を除く): 34895536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1261, 1552, 1559, 2522, 3118, 5044, 6236, 10088, 12472, 20176, 20267, 24944, 40534, 81068, 151223, 162136, 302446, 324272, 604892, 1209784, 1965899, 2419568, 3931798, 7863596, 15727192, 31454384]

約数ペア:

[(1, 31454384), (2, 15727192), (4, 7863596), (8, 3931798), (13, 2419568), (16, 1965899), (26, 1209784), (52, 604892), (97, 324272), (104, 302446), (194, 162136), (208, 151223), (388, 81068), (776, 40534), (1261, 24944), (1552, 20267), (1559, 20176), (2522, 12472), (3118, 10088), (5044, 6236)]