81804138

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{2389}}^1$

素因数の和:2846

約数の個数: 32

約数和(自身を含む): 176668800

約数和(自身を除く): 94864662

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 439, 878, 1317, 2389, 2634, 4778, 5707, 7167, 11414, 14334, 17121, 31057, 34242, 62114, 93171, 186342, 1048771, 2097542, 3146313, 6292626, 13634023, 27268046, 40902069, 81804138]

約数ペア:

[(1, 81804138), (2, 40902069), (3, 27268046), (6, 13634023), (13, 6292626), (26, 3146313), (39, 2097542), (78, 1048771), (439, 186342), (878, 93171), (1317, 62114), (2389, 34242), (2634, 31057), (4778, 17121), (5707, 14334), (7167, 11414)]