128519912

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{7393}}^1$

素因数の和:7493

約数の個数: 32

約数和(自身を含む): 251543880

約数和(自身を除く): 123023968

約数列:

[1, 2, 4, 8, 41, 53, 82, 106, 164, 212, 328, 424, 2173, 4346, 7393, 8692, 14786, 17384, 29572, 59144, 303113, 391829, 606226, 783658, 1212452, 1567316, 2424904, 3134632, 16064989, 32129978, 64259956, 128519912]

約数ペア:

[(1, 128519912), (2, 64259956), (4, 32129978), (8, 16064989), (41, 3134632), (53, 2424904), (82, 1567316), (106, 1212452), (164, 783658), (212, 606226), (328, 391829), (424, 303113), (2173, 59144), (4346, 29572), (7393, 17384), (8692, 14786)]