12781330

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{911}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 24427008

約数和(自身を除く): 11645678

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 305, 610, 911, 1403, 1822, 2806, 4555, 7015, 9110, 14030, 20953, 41906, 55571, 104765, 111142, 209530, 277855, 555710, 1278133, 2556266, 6390665, 12781330]

約数ペア:

[(1, 12781330), (2, 6390665), (5, 2556266), (10, 1278133), (23, 555710), (46, 277855), (61, 209530), (115, 111142), (122, 104765), (230, 55571), (305, 41906), (610, 20953), (911, 14030), (1403, 9110), (1822, 7015), (2806, 4555)]