161889328

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 319662080

約数和(自身を除く): 157772752

約数列:

[1, 2, 4, 8, 16, 79, 158, 211, 316, 422, 607, 632, 844, 1214, 1264, 1688, 2428, 3376, 4856, 9712, 16669, 33338, 47953, 66676, 95906, 128077, 133352, 191812, 256154, 266704, 383624, 512308, 767248, 1024616, 2049232, 10118083, 20236166, 40472332, 80944664, 161889328]

約数ペア:

[(1, 161889328), (2, 80944664), (4, 40472332), (8, 20236166), (16, 10118083), (79, 2049232), (158, 1024616), (211, 767248), (316, 512308), (422, 383624), (607, 266704), (632, 256154), (844, 191812), (1214, 133352), (1264, 128077), (1688, 95906), (2428, 66676), (3376, 47953), (4856, 33338), (9712, 16669)]