128644528

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 253483776

約数和(自身を除く): 124839248

約数列:

[1, 2, 4, 8, 16, 103, 206, 251, 311, 412, 502, 622, 824, 1004, 1244, 1648, 2008, 2488, 4016, 4976, 25853, 32033, 51706, 64066, 78061, 103412, 128132, 156122, 206824, 256264, 312244, 413648, 512528, 624488, 1248976, 8040283, 16080566, 32161132, 64322264, 128644528]

約数ペア:

[(1, 128644528), (2, 64322264), (4, 32161132), (8, 16080566), (16, 8040283), (103, 1248976), (206, 624488), (251, 512528), (311, 413648), (412, 312244), (502, 256264), (622, 206824), (824, 156122), (1004, 128132), (1244, 103412), (1648, 78061), (2008, 64066), (2488, 51706), (4016, 32033), (4976, 25853)]