128788324

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{75403}}^1$

素因数の和:75475

約数の個数: 24

約数和(自身を含む): 261802688

約数和(自身を除く): 133014364

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 75403, 150806, 301612, 527821, 1055642, 2111284, 4599583, 9199166, 18398332, 32197081, 64394162, 128788324]

約数ペア:

[(1, 128788324), (2, 64394162), (4, 32197081), (7, 18398332), (14, 9199166), (28, 4599583), (61, 2111284), (122, 1055642), (244, 527821), (427, 301612), (854, 150806), (1708, 75403)]