665477072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{3607}}^1$

素因数の和:4515

約数の個数: 40

約数和(自身を含む): 1390494336

約数和(自身を除く): 725017264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 887, 1774, 3548, 3607, 7096, 7214, 11531, 14192, 14428, 23062, 28856, 46124, 46891, 57712, 92248, 93782, 184496, 187564, 375128, 750256, 3199409, 6398818, 12797636, 25595272, 41592317, 51190544, 83184634, 166369268, 332738536, 665477072]

約数ペア:

[(1, 665477072), (2, 332738536), (4, 166369268), (8, 83184634), (13, 51190544), (16, 41592317), (26, 25595272), (52, 12797636), (104, 6398818), (208, 3199409), (887, 750256), (1774, 375128), (3548, 187564), (3607, 184496), (7096, 93782), (7214, 92248), (11531, 57712), (14192, 46891), (14428, 46124), (23062, 28856)]