128999432

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{3491}}^1$

素因数の和:3677

約数の個数: 32

約数和(自身を含む): 251424000

約数和(自身を除く): 122424568

約数列:

[1, 2, 4, 8, 31, 62, 124, 149, 248, 298, 596, 1192, 3491, 4619, 6982, 9238, 13964, 18476, 27928, 36952, 108221, 216442, 432884, 520159, 865768, 1040318, 2080636, 4161272, 16124929, 32249858, 64499716, 128999432]

約数ペア:

[(1, 128999432), (2, 64499716), (4, 32249858), (8, 16124929), (31, 4161272), (62, 2080636), (124, 1040318), (149, 865768), (248, 520159), (298, 432884), (596, 216442), (1192, 108221), (3491, 36952), (4619, 27928), (6982, 18476), (9238, 13964)]