128220154

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:798

約数の個数: 32

約数和(自身を含む): 211507200

約数和(自身を除く): 83287046

約数列:

[1, 2, 17, 31, 34, 62, 239, 478, 509, 527, 1018, 1054, 4063, 7409, 8126, 8653, 14818, 15779, 17306, 31558, 121651, 125953, 243302, 251906, 268243, 536486, 2068067, 3771181, 4136134, 7542362, 64110077, 128220154]

約数ペア:

[(1, 128220154), (2, 64110077), (17, 7542362), (31, 4136134), (34, 3771181), (62, 2068067), (239, 536486), (478, 268243), (509, 251906), (527, 243302), (1018, 125953), (1054, 121651), (4063, 31558), (7409, 17306), (8126, 15779), (8653, 14818)]