78860990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{547}}^1\times {\mathrm{1109}}^1$

素因数の和:1676

約数の個数: 32

約数和(自身を含む): 153286560

約数和(自身を除く): 74425570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 547, 1094, 1109, 2218, 2735, 5470, 5545, 7111, 11090, 14222, 14417, 28834, 35555, 71110, 72085, 144170, 606623, 1213246, 3033115, 6066230, 7886099, 15772198, 39430495, 78860990]

約数ペア:

[(1, 78860990), (2, 39430495), (5, 15772198), (10, 7886099), (13, 6066230), (26, 3033115), (65, 1213246), (130, 606623), (547, 144170), (1094, 72085), (1109, 71110), (2218, 35555), (2735, 28834), (5470, 14417), (5545, 14222), (7111, 11090)]