81627014

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 142732800

約数和(自身を除く): 61105786

約数列:

[1, 2, 7, 14, 83, 166, 199, 353, 398, 581, 706, 1162, 1393, 2471, 2786, 4942, 16517, 29299, 33034, 58598, 70247, 115619, 140494, 205093, 231238, 410186, 491729, 983458, 5830501, 11661002, 40813507, 81627014]

約数ペア:

[(1, 81627014), (2, 40813507), (7, 11661002), (14, 5830501), (83, 983458), (166, 491729), (199, 410186), (353, 231238), (398, 205093), (581, 140494), (706, 115619), (1162, 70247), (1393, 58598), (2471, 33034), (2786, 29299), (4942, 16517)]