138666488

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{219409}}^1$

素因数の和:219494

約数の個数: 16

約数和(自身を含む): 263292000

約数和(自身を除く): 124625512

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 219409, 438818, 877636, 1755272, 17333311, 34666622, 69333244, 138666488]

約数ペア:

[(1, 138666488), (2, 69333244), (4, 34666622), (8, 17333311), (79, 1755272), (158, 877636), (316, 438818), (632, 219409)]