128164358

素因数分解:

$2^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 222912000

約数和(自身を除く): 94747642

約数列:

[1, 2, 7, 14, 179, 199, 257, 358, 398, 514, 1253, 1393, 1799, 2506, 2786, 3598, 35621, 46003, 51143, 71242, 92006, 102286, 249347, 322021, 358001, 498694, 644042, 716002, 9154597, 18309194, 64082179, 128164358]

約数ペア:

[(1, 128164358), (2, 64082179), (7, 18309194), (14, 9154597), (179, 716002), (199, 644042), (257, 498694), (358, 358001), (398, 322021), (514, 249347), (1253, 102286), (1393, 92006), (1799, 71242), (2506, 51143), (2786, 46003), (3598, 35621)]