509919986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 817858560

約数和(自身を除く): 307938574

約数列:

[1, 2, 19, 38, 127, 157, 254, 314, 673, 1346, 2413, 2983, 4826, 5966, 12787, 19939, 25574, 39878, 85471, 105661, 170942, 211322, 378841, 757682, 1623949, 2007559, 3247898, 4015118, 13418947, 26837894, 254959993, 509919986]

約数ペア:

[(1, 509919986), (2, 254959993), (19, 26837894), (38, 13418947), (127, 4015118), (157, 3247898), (254, 2007559), (314, 1623949), (673, 757682), (1346, 378841), (2413, 211322), (2983, 170942), (4826, 105661), (5966, 85471), (12787, 39878), (19939, 25574)]