128187718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3253}}^1$

素因数の和:3352

約数の個数: 32

約数和(自身を含む): 217887840

約数和(自身を除く): 89700122

約数列:

[1, 2, 17, 19, 34, 38, 61, 122, 323, 646, 1037, 1159, 2074, 2318, 3253, 6506, 19703, 39406, 55301, 61807, 110602, 123614, 198433, 396866, 1050719, 2101438, 3373361, 3770227, 6746722, 7540454, 64093859, 128187718]

約数ペア:

[(1, 128187718), (2, 64093859), (17, 7540454), (19, 6746722), (34, 3770227), (38, 3373361), (61, 2101438), (122, 1050719), (323, 396866), (646, 198433), (1037, 123614), (1159, 110602), (2074, 61807), (2318, 55301), (3253, 39406), (6506, 19703)]