128978838

素因数分解:

$2^1\times 3^3\times {\mathrm{59}}^1\times {\mathrm{40483}}^1$

素因数の和:40553

約数の個数: 32

約数和(自身を含む): 291484800

約数和(自身を除く): 162505962

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 118, 177, 354, 531, 1062, 1593, 3186, 40483, 80966, 121449, 242898, 364347, 728694, 1093041, 2186082, 2388497, 4776994, 7165491, 14330982, 21496473, 42992946, 64489419, 128978838]

約数ペア:

[(1, 128978838), (2, 64489419), (3, 42992946), (6, 21496473), (9, 14330982), (18, 7165491), (27, 4776994), (54, 2388497), (59, 2186082), (118, 1093041), (177, 728694), (354, 364347), (531, 242898), (1062, 121449), (1593, 80966), (3186, 40483)]